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Today's Aerospace Pulse

Blue Origin’s New Glenn suffers catastrophic engine failure during static fire

A BE‑4 methane/LOX engine on Blue Origin’s New Glenn rocket failed four seconds after ignition, causing a catastrophic explosion that destroyed the first‑stage booster and damaged Launch Complex 36A. No personnel were injured. An FAA‑led investigation, supported by the U.S. Space Force, is under way.

Airlines Keep Coach Cheap, Double First‑Class Prices
SocialApr 4, 2026

Airlines Keep Coach Cheap, Double First‑Class Prices

To my non-expert but very experienced eye, it looks like coach airfares have not gone up very much (compared to what I expected). However, first class airfares have doubled or more. Maybe the strategy is to avoid angering the...

By Michael E. Webber
Christina Koch Marvels at Earth From Orion Capsule
SocialApr 4, 2026

Christina Koch Marvels at Earth From Orion Capsule

Christina Koch watching that beautiful blue marble we call home, through the window of the Orion capsule. I love this 🫶

By Astropartigirl
Artemis II Performs Translunar Injection, Leaving Earth Orbit for Moon
NewsApr 4, 2026

Artemis II Performs Translunar Injection, Leaving Earth Orbit for Moon

NASA’s Artemis II mission executed a flawless five‑minute‑50‑second translunar injection burn, sending the Orion crew capsule out of Earth orbit and onto a free‑return trajectory toward the Moon. The maneuver, performed on April 2, 2026, puts four astronauts on the first deep‑space...

By Pulse
Victor Glover Sr. Praises Son Ahead of Historic Artemis II Moon Flight
NewsApr 4, 2026

Victor Glover Sr. Praises Son Ahead of Historic Artemis II Moon Flight

Victor Glover Sr. told CNN he is "extremely proud" of his son, astronaut Victor Glover Jr., who will fly on NASA's Artemis II mission later this year. The interview highlights the personal side of a program that aims to return humans...

By Pulse
Manned Spaceflight: Expensive Self‑Expression Without Practical Value
SocialApr 4, 2026

Manned Spaceflight: Expensive Self‑Expression Without Practical Value

My most contrarian opinion might now be that manned space light is a very expensive sort of self expression. There’s no scientific or economic or any other tangible value. We’re not going anywhere, there’s nowhere to go, and there’s nothing...

By Benedict Evans
Video: Artemis 2 Flight Day 3 Highlights – Orion Crew, Including Canada’s Jeremy Hansen, Are Now Closer to the Moon...
NewsApr 4, 2026

Video: Artemis 2 Flight Day 3 Highlights – Orion Crew, Including Canada’s Jeremy Hansen, Are Now Closer to the Moon...

On Flight Day 3 of NASA’s Artemis 2 mission, the Orion crew crossed the halfway point, becoming closer to the Moon than to Earth. A planned outbound trajectory correction burn was evaluated and then canceled, preserving valuable propellant. The astronauts performed a...

By SpaceQ
China’s Tianlong‑3 Heavy‑Lift Rocket Fails on First Flight, Delaying Challenge to SpaceX
NewsApr 4, 2026

China’s Tianlong‑3 Heavy‑Lift Rocket Fails on First Flight, Delaying Challenge to SpaceX

China’s privately developed Tianlong‑3 heavy‑lift launch vehicle suffered a flight anomaly on its inaugural launch on April 3, 2026, halting the rocket’s immediate entry into service. The setback pushes back the timeline for delivering satellites to China’s planned megaconstellation and underscores...

By Pulse
NASA's Artemis II Sends First Earth Images, iPhone 17 Pro Max Captures Moon Flyby
NewsApr 4, 2026

NASA's Artemis II Sends First Earth Images, iPhone 17 Pro Max Captures Moon Flyby

NASA’s Artemis II mission, launched on April 1, has beamed back its first images of Earth from the Orion spacecraft and revealed that the crew is using iPhone 17 Pro Max cameras alongside professional gear. The four‑astronaut crew—Reid Wiseman, Victor Glover, Christina Koch and Jeremy Hansen—are now...

By Pulse
Bloomberg This Weekend: Downed F-15 Airman Missing (Podcast)
NewsApr 4, 2026

Bloomberg This Weekend: Downed F-15 Airman Missing (Podcast)

An U.S. F‑15E fighter was shot down over Iran, leaving one crew member missing as search‑and‑rescue efforts continue. A second U.S. combat plane reportedly crashed in the Persian Gulf the same day, underscoring escalating tensions. The incidents come as the...

By Bloomberg — Business
NASA’s $30 Million Space Toilet Broke Down Hours Into Artemis Moon Mission
NewsApr 4, 2026

NASA’s $30 Million Space Toilet Broke Down Hours Into Artemis Moon Mission

NASA’s Artemis II mission encountered a malfunction in its $30 million Universal Waste Management System just hours after launch when the urine‑collection fan jammed. Crew member Christina Koch reported a fault light, prompting Mission Control to guide the astronauts through a troubleshooting sequence....

By Dexerto
Axiom Space Company Profile: Building the World’s First Commercial Space Station
NewsApr 4, 2026

Axiom Space Company Profile: Building the World’s First Commercial Space Station

Axiom Space, founded in 2016, is constructing the world’s first commercial space station while operating private crewed missions to the International Space Station. In February 2026 the company secured $350 million in equity and debt financing to speed hardware development and its...

By New Space Economy
ICE Outspends NASA, Prioritizes Enforcement Over Space Research
SocialApr 4, 2026

ICE Outspends NASA, Prioritizes Enforcement Over Space Research

ICE has a bigger budget than NASA btw. They would rather put kids in cages, tear families apart, and ki** American citizens than fund climate change research, early weather detection, and inspire the next generation of moon explorers. NASA cuts announced...

By Joan Marie (YourFemaleEngineer)
Illuminated in Orion
NewsApr 4, 2026

Illuminated in Orion

On the third day of NASA’s Artemis II mission, the Orion crew began outfitting the capsule for a lunar flyby. Astronauts performed exercise routines, practiced medical emergency procedures, and validated the spacecraft’s deep‑space emergency communications system. The photo shows Christina Koch reading...

By NASA - News Releases
NASA Reveals Artemis II Menu: 189 Items, 58 Tortillas and 43 Cups of Coffee
NewsApr 4, 2026

NASA Reveals Artemis II Menu: 189 Items, 58 Tortillas and 43 Cups of Coffee

NASA unveiled the Artemis II crew menu, featuring 189 distinct items, including 58 tortillas, 43 cups of coffee and a briefcase‑style food warmer. The selection reflects astronaut input, high‑energy needs and new capabilities for deep‑space nutrition.

By Pulse
Iran Missile Strike Hits Israeli Drone-Maker
NewsApr 4, 2026

Iran Missile Strike Hits Israeli Drone-Maker

Iran launched a ballistic missile that heavily damaged Aero‑Sentinel’s drone production facility in Petach Tikva, Israel. The company reported that critical knowledge, core assets, and key operational capabilities were preserved despite the strike. Aero‑Sentinel says it will restore production quickly and...

By Defence Blog
Artemis Captures Earth From Behind, Unlike Apollo.
SocialApr 4, 2026

Artemis Captures Earth From Behind, Unlike Apollo.

Left to right: Original unedited Apollo 17 mission Blue Marble photo; Artemis II's Hello, World photo; Apollo 17 Blue Marble edited by NASA; and NASA's EPIC camera onboard NOAA's Deep Space Climate Observatory satellite on the 50th anniversary of the...

By Bryan Hansel
'The Navigation Systems on Board Aircraft and Drones Will Be Off Significantly': Why Aging Magnetic Data Poses a Growing Risk...
NewsApr 4, 2026

'The Navigation Systems on Board Aircraft and Drones Will Be Off Significantly': Why Aging Magnetic Data Poses a Growing Risk...

The U.S. National Geospatial‑Intelligence Agency’s MagQuest Challenge is driving a shift from aging magnetic‑field satellites to continuous, space‑based monitoring. Canadian firm SBQuantum recently launched its quantum diamond magnetometer into orbit, marking the first step toward real‑time magnetic data for the...

By TechRadar Pro
SpaceX Delays Next Starship Test Flight to May, Extending Timeline
NewsApr 4, 2026

SpaceX Delays Next Starship Test Flight to May, Extending Timeline

SpaceX said the upcoming Starship test flight will now occur in May, a month later than planned. The shift pushes back the timeline for the vehicle’s orbital certification and highlights ongoing technical challenges.

By Pulse
Houston Cheers on Artemis II Moon Mission, Reclaiming Its Place as ‘Space City’
NewsApr 4, 2026

Houston Cheers on Artemis II Moon Mission, Reclaiming Its Place as ‘Space City’

The Artemis II crewed lunar‑flyby mission launched from Florida on April 3, 2026, with flight control transferred to NASA’s Johnson Space Center in Houston. Over a thousand spectators gathered at Space Center Houston to watch the live broadcast, turning the city’s historic space...

By New York Times – Science
Artemis II Crew Passes Halfway Point to Moon, Shares New Photos of Earth
NewsApr 4, 2026

Artemis II Crew Passes Halfway Point to Moon, Shares New Photos of Earth

NASA’s Artemis II crewed Orion spacecraft passed the halfway mark on its lunar flyby, roughly 192,000 km from Earth, on Friday. The four astronauts streamed new high‑resolution photographs of Earth’s cloud‑covered surface, underscoring the mission’s scientific and public‑relations goals. Launched Wednesday, Artemis II...

By CBS News Space
How Do Satellites Determine Their Orbital Position?
NewsApr 4, 2026

How Do Satellites Determine Their Orbital Position?

Satellites determine their orbital position by fusing data from ground‑based radar, laser ranging, GNSS receivers, and onboard attitude sensors such as star trackers and IMUs. The U.S. Space Force’s Space Surveillance Network monitors over 27,000 objects, while laser stations achieve...

By New Space Economy
Ukraine Turns Into Live Testbed for Autonomous AI Drones, Raising Global Defense Stakes
NewsApr 4, 2026

Ukraine Turns Into Live Testbed for Autonomous AI Drones, Raising Global Defense Stakes

Ukraine's defense firms, headed by NORDA Dynamics co‑founder Oleksandr Liannyi, have field‑tested partially autonomous drones that can locate and strike targets with human approval. The move accelerates the race toward fully autonomous weapons, prompting ethical and legal concerns worldwide.

By Pulse
ISRO Launches Mission MITRA in Ladakh to Study Astronaut Behaviour in Extreme Conditions
NewsApr 4, 2026

ISRO Launches Mission MITRA in Ladakh to Study Astronaut Behaviour in Extreme Conditions

ISRO has launched Mission MITRA in Ladakh, positioning a test crew at roughly 3,500 metres to simulate space‑flight stressors such as hypoxia, low temperature and isolation. The five‑day analog study, running until April 9, is designed to capture physiological, psychological and operational...

By The Hindu BusinessLine — Economy/Markets
The Full Engineering History of Cassini’s Grand Finale: How NASA Deliberately Crashed a $3.4 Billion Spacecraft Into Saturn and Why...
NewsApr 4, 2026

The Full Engineering History of Cassini’s Grand Finale: How NASA Deliberately Crashed a $3.4 Billion Spacecraft Into Saturn and Why...

NASA’s Cassini mission, a $3.4 billion flagship, ended on Sept. 15, 2017 when the spacecraft was deliberately steered into Saturn’s atmosphere. A decade‑long debate among engineers, planetary‑protection officials, and policymakers weighed fuel limits, contamination risks to Enceladus and Titan, and the scientific...

By SpaceDaily
SpaceX Secures $178.5 Million Space Force Contract for Missile‑Tracking Satellites
NewsApr 4, 2026

SpaceX Secures $178.5 Million Space Force Contract for Missile‑Tracking Satellites

SpaceX received a $178.5 million task order from the U.S. Space Force to launch two missile‑tracking satellites for the Space Development Agency. The launches, slated for Q3 2027 on Falcon 9 rockets from Florida and California, expand SpaceX’s role in national‑security missions and...

By Pulse
NASA’s Artemis II Streams First Earth Photos as Crew Circles Moon
NewsApr 4, 2026

NASA’s Artemis II Streams First Earth Photos as Crew Circles Moon

NASA’s Artemis II mission, launched on April 1 with four astronauts, released its first images of Earth captured from inside Orion, sparking massive online reaction and showcasing the use of iPhone 17 Pro Max, Nikon D5 and GoPro Hero 11 cameras on a deep‑space...

By Pulse
UK PM Condemns Drone Attack on Kuwaiti Oil Refinery, Discusses Deployment of Rapid Sentry Counter-Drone System with Crown Prince of...
BlogApr 4, 2026

UK PM Condemns Drone Attack on Kuwaiti Oil Refinery, Discusses Deployment of Rapid Sentry Counter-Drone System with Crown Prince of...

The UK Prime Minister condemned a reckless overnight drone strike on a Kuwaiti oil refinery and reaffirmed Britain’s support for Kuwait and Gulf allies. He and Crown Prince Sheikh Sabah discussed the rapid deployment of the RAF Regiment’s Rapid Sentry...

By Mining Awareness +
P-51 Vs Me 262 and the Death of Luftwaffe Ace Walter Nowotny
BlogApr 4, 2026

P-51 Vs Me 262 and the Death of Luftwaffe Ace Walter Nowotny

The German Messerschmitt Me 262 became the first operational jet fighter in July 1944, but logistical constraints limited its combat impact. The U.S. P‑51 Mustang, equipped with the Packard‑Merlin engine and drop tanks, could escort bombers deep into Germany and even challenge...

By The Aviation Geek Club
Blue Origin Launches Planned for 2026
BlogApr 4, 2026

Blue Origin Launches Planned for 2026

Blue Origin has outlined a busy 2026 launch calendar featuring four New Glenn missions. The lineup includes the NG‑3 flight for AST SpaceMobile, an Amazon low‑Earth‑orbit satellite deployment, a NASA‑backed lunar Artemis mission, and a second AST SpaceMobile flight. Additional entries...

By Next Big Future – Quantum
Blue Origin New Glenn Targets April Launch of AST Space Mobile Satellite
BlogApr 4, 2026

Blue Origin New Glenn Targets April Launch of AST Space Mobile Satellite

AST SpaceMobile is set to launch its Block 2 “BlueBird” satellite on Blue Origin’s New Glenn NG‑3 mission between April 10‑14, 2026. The next‑generation satellite promises up to 120 Mbps peak data rates and 24/7 nationwide cellular broadband coverage across more than 5,600 cells. Block 2...

By Next Big Future – Quantum
Has Israel Agreed to Provide GROUND Troops to Enter Iran/Kharg & Lay Down Lives Like US Troops? Update: Two Planes...
BlogApr 4, 2026

Has Israel Agreed to Provide GROUND Troops to Enter Iran/Kharg & Lay Down Lives Like US Troops? Update: Two Planes...

U.S. fighter jets, including an F‑15 and an A‑10, were shot down after entering Iranian airspace, prompting a rescue effort that saw two U.S. helicopters hit by Iranian fire. The incidents have sparked speculation about a broader ground invasion of...

By Alexander News Network (ANN): Trump's War 2.0 for America
Space Pioneer Tianlong-3 Rocket Fails Its Debut Launch Attempt
NewsApr 4, 2026

Space Pioneer Tianlong-3 Rocket Fails Its Debut Launch Attempt

China’s private launch firm Space Pioneer saw its Tianlong‑3 rocket fail on its maiden flight on April 3, 2026, after an engine‑bay explosion at about 33 seconds. The partially reusable vehicle, designed to lift up to 20 metric tons to...

By Orbital Today
NSS Responds to OMB’s Proposed FY27 NASA Budget
NewsApr 4, 2026

NSS Responds to OMB’s Proposed FY27 NASA Budget

The National Space Society (NSS) welcomed the OMB’s FY27 NASA budget proposal for its shift away from the Lunar Gateway and a planned phase‑out of the Space Launch System in favor of commercial heavy‑lift services. It also praised the repurposing...

By National Space Society Blog
Moonlit Earth Reveals Aurora, Venus, Zodiac Light
SocialApr 4, 2026

Moonlit Earth Reveals Aurora, Venus, Zodiac Light

This amazing photo was taken by Commander Reid Wiseman on the Artemis II mission to the moon. What a lot of folks don't realize is that this side of Earth is illuminated by moonlight, not the sun. And you can see...

By Jonathan Foley
Artemis II Replay Highlights Launch Abort System Jettison
SocialApr 4, 2026

Artemis II Replay Highlights Launch Abort System Jettison

Going through some of NASA's Artemis II launch replays, and this one showing Launch Abort System jettison pops. https://t.co/sa9Byen6VT

By Stephen Clark
The Full Map: What Iran Used, What We Knew, What a POW Changes, and What Comes Next
BlogApr 4, 2026

The Full Map: What Iran Used, What We Knew, What a POW Changes, and What Comes Next

Iran shot down a U.S. Air Force F‑15E over its territory on April 3, 2026, contradicting President Raisi’s claim that Iran’s air defenses were completely destroyed. Analysis shows Iran employed a mix of legacy Soviet‑era surface‑to‑air missiles and newer Russian‑supplied...

By Jack Hopkins Now
RAT55 Dorsal Sensor Pod Revealed in Stunning Detail
SocialApr 4, 2026

RAT55 Dorsal Sensor Pod Revealed in Stunning Detail

Best views of RAT55 yet. Dorsal sensor pod (EO ball) seen in detail here. Also shot inside. I wonder if this is going to be ported in full to a contractor (it is currently operated by a contractor)

By Tyler Rogoway
Sensofusion Acquires Atol, Launches Counter‑Drone Aircraft in Finland
SocialApr 4, 2026

Sensofusion Acquires Atol, Launches Counter‑Drone Aircraft in Finland

We purchased the aircraft manufacturer Atol Aviation. Through the deal, Sensofusion is bringing new air-to-ground counter-drone systems to market, with the aircraft platforms to be manufactured at a former air force base in Finland. https://t.co/oUczLQ73u9

By Mikko Hypponen
AST SpaceMobile Shares Jump 17.7% as Low‑Orbit Satellite Array Gains Investor Backing
NewsApr 4, 2026

AST SpaceMobile Shares Jump 17.7% as Low‑Orbit Satellite Array Gains Investor Backing

AST SpaceMobile’s low‑orbit satellite array propelled its stock 17.7% higher this week, adding to a 27.5% year‑to‑date gain and a four‑fold increase over the past year. The surge reflects growing investor confidence in the company’s smartphone‑direct broadband model as the...

By Pulse
Italy Rations Jet Fuel, Cuts Short‑Haul Flights
SocialApr 4, 2026

Italy Rations Jet Fuel, Cuts Short‑Haul Flights

As I highlighted last week, the jet fuel shortage crisis is already here. Jet fuel rationing in Italy has been declared — priority will be given to flights for medical purposes, government, and long haul. Airlines were told that short...

By Alex Macheras
Air Travel Costs Have Dramatically Dropped over Decades
SocialApr 4, 2026

Air Travel Costs Have Dramatically Dropped over Decades

I love this slide from Air Lease showing how air travel has become affordable over time https://t.co/5CVdwVTxuu

By Lawrence Hamtil
Trump’s Bold Claims Ignored by Iran’s Actual Strike
SocialApr 4, 2026

Trump’s Bold Claims Ignored by Iran’s Actual Strike

Just a few weeks before a US aircraft was shot down in Iran, President Trump had this to say: “We literally have planes flying over Tehran... They [Iran] can't do a thing about it." TRUMP'S RHETORIC RARLEY MATCHES REALITY.  https://t.co/UVqGJAzX2e

By Steve Hanke
NASA Skips Prelaunch Briefings for Upcoming Resupply Flight
SocialApr 4, 2026

NASA Skips Prelaunch Briefings for Upcoming Resupply Flight

Unfortunately, NASA is not doing any prelaunch mission or science briefings for this, unlike most previous resupply flights.

By Jeff Foust
Ukraine's $2,100 Sting Interceptor Secures 11 Middle East Contracts
SocialApr 4, 2026

Ukraine's $2,100 Sting Interceptor Secures 11 Middle East Contracts

Sorry boys. Ukraine’s Sting Interceptor. Battlefield proven against Iran’s Shahed drones. $2,100 per unit. First to market. Already under contract to 11 Middle East nations. 1,000 units a day Ukrainian production capacity. https://t.co/vlQahbzlE1

By Mark Greene
U.S. Military Repurposes Iranian Drone Tech, Not Silicon Valley
SocialApr 4, 2026

U.S. Military Repurposes Iranian Drone Tech, Not Silicon Valley

“…doesn’t come from one of America’s more than 400 venture-backed drone startups. And it isn’t the product of Silicon Valley ingenuity. Instead, the drone having its moment in the Middle East conflict was designed by the U.S. military itself, using...

By Sam Ro
Skipping Missile Approach Warning on $100M F‑15EX Is Foolish
SocialApr 4, 2026

Skipping Missile Approach Warning on $100M F‑15EX Is Foolish

Buying F-15EX and not springing for the missile approach warning system is absolutely the dumbest thing. $100M fighter, but let's save a few bucks on a key defensive advantage. You are not always going to get a radar spike from...

By Tyler Rogoway
Artemis II Cubesats Tracked; ATENEA Likely Re
SocialApr 4, 2026

Artemis II Cubesats Tracked; ATENEA Likely Re

The Artemis II cubesats TACHELES, SWC-1 and K-RADCUBE have now been identified on Space-Track. ATENEA was not cataloged+was expected to have reentered at 1st perigee since it had no propulsion to raise its orbit. K-RAD may also have...

By Jonathan McDowell
Space Force Confirms Meridian-M Launched Into Expected Molniya Orbit
SocialApr 4, 2026

Space Force Confirms Meridian-M Launched Into Expected Molniya Orbit

Space Force orbit data show the Meridian-M satellite launched yesterday in a 996 x 39714 km x 62.8 deg 'Molniya' orbit as expected

By Jonathan McDowell
U.S. Airpower Crumbles as Iran Defenses Resurge
SocialApr 4, 2026

U.S. Airpower Crumbles as Iran Defenses Resurge

Worst day for U.S. airpower in decades. Multiple aircraft down—and Iran’s defenses were supposed to be gone. That narrative just broke. This war isn’t under control. #Iran #Warfare #Geopolitics #AirPower

By Art Berman Blog