Recent Posts
Social•Feb 4, 2026
NASA Addresses TSMU Leaks After SLS Wet Rehearsal
Following the wet dress rehearsal for the SLS rocket on Feb. 2, NASA leadership discussed, among other aspects of the test, the leaks that cropped up connected to the tail service mast umbilical (TSMU), and the next steps towards launch. Full video: https://t.co/VyQmgnxWCR https://t.co/CguhoSw5ab
By Spaceflight Now
Social•Feb 3, 2026
NASA Explains Sudden Stop at T‑5:15 Countdown
Here's the latest from NASA on why the terminal count stopped at T-5 minutes, 15 seconds: https://t.co/D3mBeV9dAl
By Spaceflight Now
Social•Feb 3, 2026
NASA Aborts Wet Dress Rehearsal with 5 Minutes Left
NASA terminated the wet dress rehearsal at T-5 minutes, 15 seconds. The plan originally was to take the count down to T-33 seconds. Standing by for further information from NASA as to why the test ended early. Watch live: https://t.co/NhtPQ5dawt https://t.co/oYOBPw51y0
By Spaceflight Now
Social•Feb 3, 2026
NASA Begins Final Minutes of Wet Dress Rehearsal Countdown
The terminal count is underway with less than five minutes remaining in this launch simulation. NASA will go through just one terminal countdown tonight as part of the wet dress rehearsal tanking test. Watch live: https://t.co/NhtPQ5cCGV
By Spaceflight Now
Social•Feb 3, 2026
NASA Closes Abort Hatch, Opts for Single Terminal Count
As of 10:30 p.m. EST (0330 UTC), NASA says the Launch Abort System hatch is closed and the closeout crew is going through its final work before leaving the pad. Also, the decision was made to perform one terminal count,...
By Spaceflight Now
Social•Feb 3, 2026
Orion Hatch Pressurization Valve Accidentally Vented, Delays Continue
Teams ran into another issue tonight. This time concerning "a valve associated with Orion's hatch pressurization" that was "inadvertently vented." Read the latest statement from the agency below. Watch live: https://t.co/NhtPQ5dawt https://t.co/VGAUhia5fa
By Spaceflight Now
Social•Feb 3, 2026
Closeout Crew Arrives, First T‑0 Scheduled for 11:40 P.m. EST
The closeout crew arrived at the pad shortly after 7 p.m. EST (0000 UTC) tonight. Per the original timeline of events, the closeout crew was set to arrive at the white room at about L-4 hours, 40 minutes ahead of...
By Spaceflight Now
Social•Feb 3, 2026
Live Stream: NASA's SLS Wet Dress Rehearsal Continues
We're continuing our coverage of NASA's wet dress rehearsal of its Space Launch System rocket on a new stream to account for the potential length of the WDR. Join us for live coverage here: https://t.co/NhtPQ5dawt
By Spaceflight Now
Social•Feb 2, 2026
NASA Preps Artemis Rocket: Replenish Phase and Fast Fill
In its latest update, NASA says core stage LOX and LH2 as well as LOX on the ICPS are all in the replenish phase. Meanwhile, the ICPS LH2 tank is now in fast fill. "Following both stages of the rocket being...
By Spaceflight Now
Social•Feb 2, 2026
NASA Admits LH2 Loading Leak Fix Unsuccessful
NASA said in its latest update that its efforts to troubleshoot the leak affecting the core state LH2 loading process "proved unsuccessful." See full statement below. Watch live: https://t.co/UakXJtXzE1 https://t.co/83zcSxPGWq
By Spaceflight Now
Social•Feb 2, 2026
SLS Core Stage LOX Rises to 68% as Temperature Climbs
NASA shared another snapshot of the fueling progress on its Space Launch System rocket. Since they last showed this graphic, a little more than 30 minutes ago, the core stage LOX increased from 50% to 68% and the LH2 on...
By Spaceflight Now
Social•Feb 2, 2026
NASA Delays Core Stage Liquid Hydrogen Loading Amid Troubleshooting
Here's a look at where things stand with fueling at this point in the count from this NASA-provided graphic. The loading of liquid hydrogen on the core stage is still on hold for the time being as troubleshooting continues. Watch live:...
By Spaceflight Now
Social•Feb 2, 2026
NASA Halts LH2 Flow, Continues LOX During Fast Fill
In an update, NASA says “Core stage liquid hydrogen flow stopped for troubleshooting; liquid oxygen flow continues.” LH2 fast fill began at 12:31 p.m. EST (1731 UTC) and was expected to take about an hour and 20 minutes before getting...
By Spaceflight Now
Social•Feb 2, 2026
NASA Fuels SLS for Critical Artemis 2 Test
NASA is loading propellants aboard its Space Launch System rocket for a crucial fueling test ahead of the Artemis 2 mission to send a crew of four on a loop around the Moon and back. Watch live coverage: https://youtube.com/live/49suQC9qjH4
By Spaceflight Now
Social•Feb 2, 2026
SLS Begins 45‑Minute Liquid Hydrogen Load, Reflects Artemis 1 Lessons
Liquid hydrogen loading on the SLS rocket's Interim Cryogenic Propulsion Stage began ~1:09 p.m. EST (1809 UTC) and should run for ~45 minutes. Hear what Artemis Launch Director Charlie Blackwell-Thompson said about lessons learned from the fueling campaigns of Artemis...
By Spaceflight Now
Social•Feb 2, 2026
Hold Lifted, T‑Minus Resumes – Live SLS Tank Test
The planned hold lifted on schedule at L-9 hours and 20 minutes at 11:40 a.m. EST (1640 UTC). At that point, the T-minus clock resumed at T-08:10:00. Our live coverage of the SLS rocket tanking test begins now: https://t.co/UakXJtXzE1
By Spaceflight Now
Social•Feb 2, 2026
Artemis Launch Director Greenlights Propellant Loading, Weather Clear
Artemis Launch Director Charlie Blackwell-Thompson gave the 'go' for the start of propellant loading on the Space Launch System rocket at pad 39B at about 11:25 a.m. EST (1625 UTC). "While teams continue to monitor cold weather that would impact launch day, they...
By Spaceflight Now
Social•Feb 2, 2026
NASA Advances SLS Wet Dress Rehearsal Tanking Test
NASA teams are pressing on with the wet dress rehearsal tanking test for the Space Launch System rocket today. Here’s an update on what to expect from SFN Reporter @w_robinsonsmith. https://t.co/GJw5dgUZSP
By Spaceflight Now
Social•Feb 2, 2026
NASA's SLS Wet Dress Rehearsal Begins Under Snow Moon
NASA's wet dress rehearsal countdown continues tonight as the 'Snow Moon' rises behind the Space Launch System rocket at pad 39B at @NASAKennedy. NASA will conduct a Go/No-Go poll ahead of fueling at about 10:40 a.m. EST (1540 UTC) on...
By Spaceflight Now
Social•Feb 1, 2026
NASA Begins Countdown for SLS Tanking Test
NASA said the countdown for the SLS rocket tanking test began Jan. 31 at 8:13 pm ET (0113 UTC) at L-48 hours, 40 minutes. The window for the simulated T-0 opens at 9 pm ET on Feb. 2 (0200 UTC...
By Spaceflight Now
Social•Jan 30, 2026
Cold Weather Pushes Artemis 2 Tanking Test to Feb 2
Because of the cold weather anticipated this weekend, NASA decided to delay the start of the SLS rocket's tanking test. The simulated T-0 is now on Feb. 2 and the launch of Artemis 2 is no earlier than Feb. 8. Read...
By Spaceflight Now
Social•Jan 30, 2026
Blue Origin Pauses New Shepard Flights for Two Years
In a statement, @blueorigin announced it is shifting its focus to its lunar human spaceflight program. This means they are stopping flights of their suborbital New Shepard rocket "for no less than two years." Full statement: https://t.co/YIgMXGl99i
By Spaceflight Now
Social•Jan 30, 2026
Crew‑12 Launch Timing Hinges on Artemis 2 Schedule
During a SpaceX Crew-12 briefing, NASA's Steve Stich lays out a few scenarios for planning the launch of this ISS mission vs Artemis 2. • If Artemis 2 launches on Feb. 8, Crew-12 would push to NET Feb. 19 • If A2...
By Spaceflight Now
Social•Jan 30, 2026
NASA Pushes Wet Dress Rehearsal to Feb 2, Launch Feb 8
This morning, NASA confirmed that teams were not called to stations last night and that the simulated T-0 for the wet dress rehearsal is now Feb. 2. This is due to cold weather conditions. The NET date for launch is...
By Spaceflight Now
Social•Jan 30, 2026
Artemis 2 Moon Rocket Fuel Test Delayed 48 Hours
Good morning from NASA's Kennedy Space Center. The countdown clock should be ticking right now for a crucial fueling test of the Artemis 2 moon rocket. According to multiple sources, the test has been delayed 48 hours but still no...
By Spaceflight Now
Social•Jan 30, 2026
NASA Pushes SLS Tanking Test Back 48 Hours
NASA is reportedly delaying the wet dress rehearsal tanking test for the SLS rocket by at least 48 hours. Teams were expected to be called to stations shortly after 8 pm ET (0100 UTC). @NASA has made no comments and...
By Spaceflight Now
Social•Jan 30, 2026
Falcon 9 Upright Timelapse Prepares for Starlink Launch
A timelapse of SpaceX's Falcon 9 going upright at pad 40 at Cape Canaveral Space Force Station around 10 p.m. tonight. Liftoff of the Starlink 6-101 mission is scheduled for 2:22 a.m. EST (0722 UTC). Read more: https://t.co/4qeVAXF2ky 📹: @ABernNYC https://t.co/dKrtCSnAv1
By Spaceflight Now
Social•Jan 30, 2026
Rocket Lab Pauses Countdown, Targets 2:21 Pm NZDT Window
During the countdown of the mission ‘Bridging The Swarm’, @RocketLab had to pause the count at T-00:08:59 and recycled the clock. Teams are now aiming for the end of the window at 2:21 pm NZDT (8:21 pm EST / 0121...
By Spaceflight Now
Social•Jan 29, 2026
Lightning Tower and SLS Rocket Form Giant Sundial
The shadow from a lightning tower and NASA's SLS moon rocket create a giant sundial at launch complex 39B at the Kennedy Space Center. https://t.co/DehX6uR5mZ
By Spaceflight Now
Social•Jan 29, 2026
SpaceX Reuses Starship Heat‑shield Tiles on Falcon 9
SpaceX once again is flying what appear to be Starship thermal protection system tiles on the Falcon 9 payload fairing. Liftoff of the Starlink 17-19 mission from Vandenberg SFB at 9:53:20 a.m. PST (12:53:20 p.m. EST / 1753:20 UTC). Watch live:...
By Spaceflight Now
Social•Jan 29, 2026
SpaceX Pushes Starlink 17‑19 Launch to 9:53 A.m. PST
SpaceX adjusted the T-0 liftoff time for the Starlink 17-19 mission. Liftoff from pad 4E at Vandenberg Space Force Base is now scheduled for 9:53:20 a.m. PST (12:53:20 p.m. EST / 1753:20 UTC). Read more: https://t.co/Gr4Hp5pOSh
By Spaceflight Now
News•Jan 29, 2026
Live Coverage: SpaceX to Launch 11,000th Starlink Satellite to Date on Thursday
SpaceX is slated to launch its penultimate Falcon 9 of the month from Vandenberg, carrying the Starlink 17‑19 payload that will place 25 satellites into low‑Earth orbit. Among them is the company’s 11,000th Starlink satellite, a milestone since the first...
By Spaceflight Now
News•Jan 23, 2026
Eastern Range Ready for Same Day Fueling of Space Launch System, Vulcan Rockets
The Eastern Range has successfully deconflicted resources to enable same‑day fueling of NASA’s Space Launch System (SLS) and United Launch Alliance’s Vulcan rocket on Feb. 2, 2026. The coordination includes shared GN2 pipelines and additional truck capacity to meet both missions’...
By Spaceflight Now
News•Jan 18, 2026
Live Coverage: Space Falcon 9 Rocket Counting Down to Starlink Delivery Mission
SpaceX is set to launch 29 Starlink V2 Mini satellites on Sunday, Jan. 18, 2026, from Cape Canaveral’s pad 40. The mission, designated Starlink 6-100, has a four‑hour window that opens at 6:31:40 p.m. EST and closes at 9:04 p.m. EST, with...
By Spaceflight Now
News•Jan 16, 2026
Live Coverage: NRO, SpaceX to Launch Reconnaissance Satellites From Vandenberg
SpaceX will launch the NRO’s NROL‑105 mission from Vandenberg Space Force Base on Friday night, carrying a batch of classified Starshield satellites into low‑Earth orbit. The Falcon 9 booster B1100, on its second flight, is slated to return to Landing Zone 4,...
By Spaceflight Now
News•Jan 13, 2026
U.S. Space Force Switches Rockets for Upcoming GPS Satellite Launch
The U.S. Space Force has reassigned the GPS III‑9 satellite from United Launch Alliance’s Vulcan rocket to SpaceX’s Falcon 9, aiming for a launch within weeks. In exchange, ULA will now launch the GPS IIIF‑13 satellite on Vulcan, while the previously...
By Spaceflight Now
News•Jan 8, 2026
SpaceX Scrubs Midday Starlink Mission Launch From Cape Canaveral
SpaceX scrubbed the early‑afternoon Falcon 9 launch of the Starlink 6‑96 mission on Jan. 8, pushing the next attempt to Jan. 9. The delay was attributed to late arrival of the payload fairings containing 29 Starlink V2 Mini Optimized satellites. The booster, tail‑number B1069,...
By Spaceflight Now
News•Jan 7, 2026
NASA Weighs an Earlier End to the Crew-11 Mission After a ‘Medical Situation’ with an ISS Crew Member Postpones First...
NASA announced it is evaluating an early termination of the SpaceX Crew-11 mission after a medical situation involving an ISS crew member was reported. The issue prompted the postponement of the first scheduled spacewalk of 2026, originally set for Jan....
By Spaceflight Now
News•Jan 2, 2026
SpaceX Opens 2026 with Launch of Cosmo-SkyMed Earth Observation Satellite for Italy
SpaceX launched the Cosmo‑SkyMed Second Generation Flight Model 3 (CSG‑FM3) on Jan 2, 2026 from Vandenberg, marking the first Falcon 9 flight after a 16‑day pause. The 1,700‑kg Italian Earth‑observation satellite is the third of four SAR platforms destined for a Sun‑synchronous orbit...
By Spaceflight Now
News•Dec 22, 2025
H3 Rocket Suffers Upper Stage Anomaly, Fails to Correctly Deploy Navigation Satellite
Japan’s H3 launch on Dec. 22 failed when the LE-5B-3 upper‑stage engine did not ignite properly, causing a premature shutdown. The second‑stage anomaly prevented the QZS‑5 navigation satellite from reaching its intended orbit, resulting in mission failure. This is the...
By Spaceflight Now