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A new XRISM study led by the University of Alabama in Huntsville team reports that high‑energy‑resolution X‑ray spectra can be used to search for decay signatures of dark matter in galaxy clusters. By combining three months of XRISM data, the researchers identified no definitive sterile‑neutrino line but established the strongest limits to date for particles in the 5‑30 keV range. The work builds on earlier XMM‑Newton findings and highlights galaxy clusters as optimal laboratories because they are dark‑matter‑dominated and well‑characterized. Future XRISM observations could either detect the elusive line or further tighten constraints on dark‑matter models.
NASA Celebrates Artemis II During Houston Texans Space City Day https://t.co/ZFeOw9idga From left, NASA astronaut Jessica Watkins, Johnson Space Center employees Tessa Rundle and Daniel Kolodziejcyk wearing Orion Crew Survival System suits, and Johnso… https://t.co/gi7MzO0jPz
NASA is postponing tomorrow's spacewalk because of a "medical concern with a crew member that arose Wednesday afternoon." https://t.co/QQ83VS716l
Astronomers using ALMA have identified galaxy cluster SPT2349‑56, a compact assembly of more than 30 galaxies within a 500,000‑light‑year volume, existing just 1.4 billion years after the Big Bang. The cluster’s intracluster medium is measured at temperatures at least five times...
Astronaut medical issue scrubs tomorrow’s planned spacewalk, per NASA, saying the “situation is stable” https://t.co/TxC2waFlGZ
New Youtube video was posted - SpaceX Starship Flight 12 Update - Hardware Details, Flight Information, News https://t.co/GEV54h7IHy #teamspace
Solar physicists at NJIT’s Center for Solar‑Terrestrial Research have identified a previously unknown, MeV‑peaked electron population in the solar corona that generates the long‑standing gamma‑ray signatures of major flares. By merging Fermi gamma‑ray data with high‑resolution microwave imaging from the...
At #AAS247, an announcement of the Eric and Wendy Schmidt Observatory System, including a large (3-m) space telescope, all privately funded. https://t.co/3bohkHo7oq
Researchers at Carnegie have identified a doughnut‑shaped plasma torus encircling a young, rapidly rotating M‑dwarf star. Spectroscopic movies reveal that large clumps of cool plasma, trapped by the star’s magnetic field, cause periodic dimming events, effectively creating a natural space‑weather...
25 Years in Orbit: Science, Innovation, and the Future of Exploration https://t.co/ZBaSloAmg5 NASA astronaut Jasmin Moghbeli retrieves media bags inside the International Space Station’s Kibo laboratory module for Emory University’s Project EAGLE inve… https://t.co/6wItarjGxK
One note from the STScI town hall at #AAS247 today: the median reentry date for Hubble, based on current modeling, is 2033; a <10% chance of reentry by 2029.
NASA postponed the Jan. 8 extravehicular activity on the International Space Station after a medical concern arose with an unnamed crew member. The EVA, slated for astronauts Mike Fincke and Zena Cardman, would have prepared a power channel for the new...
The episode reviews Congress's decision to reject the Trump administration's proposed deep cuts to NASA, instead approving a $24.4 billion budget for FY2026, and highlights recent industry milestones such as NASA awarding ARES Technical Services the Wallops Flight Facility launch‑range contract...
Stellant Systems, a U.S. maker of radio‑frequency and microwave amplification products, agreed to be acquired by TransDigm Group for $960 million in cash. The definitive agreement was announced on Dec. 31 and is subject to regulatory clearance. Stellant will retain its name...
Japan’s Ministry of Defense has awarded Astroscale Japan a ¥1 billion (≈$6.4 million) contract to develop a gripping mechanism capable of securing national security satellites under diverse on‑orbit conditions. The agreement includes a ground‑based demonstration and aligns with the 2025 Space Domain...
Evergreen Marine has become the first Taiwanese container‑shipping operator to upgrade its fleet to Inmarsat Maritime’s NexusWave bonded connectivity solution. After successful trials, the company is moving from its long‑standing Fleet Xpress service to a multi‑network platform that promises higher...
Space Canada’s new position paper warns that Canada’s defence space capabilities risk lagging as the nation relies on U.S. suppliers for roughly 75 % of its capital budget. The report urges a sweeping procurement overhaul, championing commercially‑owned, commercially‑operated (COCO) models and...
A new study published in *Journal of Geophysical Research: Planets* shows that methane released by lunar landers can travel across the Moon’s surface and become trapped in the permanently shadowed regions of both poles within a week. Simulations of ESA’s...
Canadian astronaut Jeremy Hansen will fly on NASA’s Artemis 2 lunar flyby, marking Canada’s first crewed deep‑space mission. The nine‑day flight is packed with scientific experiments, capsule tests and scheduled downlinks, leaving only brief windows for personal time. Hansen says he...
In 2023 JWST observations of the sub‑Neptune K2‑18 b appeared to reveal dimethyl sulfide, a gas linked to marine life on Earth, sparking excitement about a possible habitable ocean. A new pre‑print by Welbanks and colleagues re‑analyzes the mid‑infrared MIRI data...
Lightning from Above https://t.co/wzm1nU8nZo NASA/Nichole Ayers NASA astronaut Nichole Ayers captured this image of lightning while orbiting aboard the International Space Station more than 250 miles above Milan, Italy on July 1, 2025. Storm observati… https://t.co/wSTkSl11z8
NASA's Chandra X‑ray Observatory released a new video tracking Kepler's Supernova Remnant over more than 25 years of observations. The animation captures the remnant's evolution from 2000 to 2025, revealing ejecta speeds ranging from 4 million to 13.8 million miles per hour....
Astronomers combined NSF VLA atomic‑hydrogen maps with ALMA molecular‑gas data to forecast where massive stars in the nearby galaxy M33 will explode as supernovae. By overlaying catalogs of red supergiants, Wolf‑Rayet stars and existing supernova remnants, they created the first...
An international team led by UCLA scientists has directly observed four young “baby” planets in the 20‑million‑year‑old V1298 Tau system as they contract and shed their primordial atmospheres. Using a decade‑long series of transit observations from ground‑based and space telescopes, the...
The space sector is transitioning from a fragmented, novelty‑driven phase to a consolidation era where reliability and risk mitigation dominate. Customers no longer ask which component performs best; they demand proven delivery, stable interfaces, and support. Suppliers must shift their...
Terran Orbital, a Lockheed Martin company, announced Michael Vishion as vice president of program management. Vishion brings more than 25 years of aerospace and defense experience, including leadership of multi‑site portfolios worth $200‑$350 million. He will report to CEO Peter...
The 2026 southern‑hemisphere sky will feature a total lunar eclipse on 3 March, a rare blue moon on 31 May, and a supermoon on 24 December. Planetary highlights include a tight Mercury‑Mars‑Saturn grouping in April, a Venus‑Jupiter close approach in June, and a...
In this episode, Lisa Dyer, Executive Director of the GPS Alliance, explains how growing geopolitical tensions and reliance on precise timing are driving the need for GNSS resilience, interoperability, and innovation across multiple satellite constellations. She highlights that robust, cross‑compatible...
The U.S. Space Force has awarded Falcon ExoDynamics a $3.3 million contract to develop Handle 2.0, an upgraded modular interface that links satellite buses and payloads. The effort builds on the original Handle prototype demonstrated on the 2022 Slingshot 1 mission and aims...
Elon Musk has set a target of producing 10,000 Starships per year, a rate that translates to roughly 27 launches each day. The ambition hinges on three primary demand drivers: massive cargo shipments for Mars colonization, ultra‑fast point‑to‑point Earth transport,...
Possibly the payload fairing from the Long March 8A launched from Wenchang on Christmas Day (UTC).
On January 7, 1610 Galileo Galilei turned his refined telescope toward Jupiter and recorded three luminous points that would soon be recognized as moons. Within a week he identified a fourth body, and by January 15 he concluded all four orbited the planet,...
The article argues that space investment is shedding its niche status as the sector becomes essential infrastructure for broader economic activity. A potential SpaceX IPO, whether in 2026 or later, is highlighted as a catalyst that could shift capital toward...
United Semiconductors and Aegis Aerospace announced a joint effort to launch an in‑space manufacturing platform for semiconductor materials. The partnership will move United's ISS‑tested processes onto Aegis' Advanced Materials Manufacturing Platform, with a demonstration slated for the ISS by late...
Tech giants Google, SpaceX, and Blue Origin are racing to develop orbital AI data centers powered by solar‑panel‑equipped satellites. Prototypes are slated for testing by 2027, while experts warn that operational facilities are still years away due to power, radiation,...
NASA awarded three‑year, fixed‑price contracts to seven companies to study critical technologies for the Habitable Worlds Observatory (HWO), a flagship space telescope slated for a 2040s launch. The studies cover mirror coatings, micro‑thruster propulsion, and on‑orbit servicing, while evaluating six‑meter...
Deep optical imaging by Serbian and Russian astronomers has revealed that the neutral hydrogen cloud FAST J0139+4328 is actually a low‑surface‑brightness dwarf galaxy. Using the 1.4 m Milanković and 0.6 m Nedeljković telescopes, the team detected a faint stellar counterpart offset by...
NASA’s Perseverance rover has obtained its most detailed view yet of an aeolian megaripple, dubbed “Hazyview,” in the Honeyguide field near Jezero Crater. The 2‑meter‑tall sand structure appears largely inactive, with a salty dust crust that preserves ancient wind and...
SkyFi announced the integration of Vantor’s very‑high‑resolution satellite imagery into its marketplace, expanding its virtual constellation of partner‑operated sensors. The new "Vantor Hub" lets commercial and government users order on‑demand imagery through SkyFi’s self‑service portal. By aggregating dozens of spacecraft...
The United States faces a critical decision on its Mars Sample Return (MSR) program as costs have ballooned to about $11 billion and the target launch has slipped to 2040, while China’s Tianwen‑3 mission plans to bring back at least 500 g...
The Copernicus Sentinel-1 mission has completed a ten-year record of high-resolution ice-velocity measurements across Greenland and Antarctica, published in Remote Sensing of Environment. Advanced SAR processing delivers maps with 200‑250 m spatial detail and temporal coverage from days to a decade,...
The Chinese Space Station Telescope, or Xuntian, is set to launch in 2027. Science objectives include sky survey, revealing characteristics of dark energy, cosmic structure of dark matter, evolution of the Milky Way, directly imaging exoplanets. Will co-orbit with Tiangong....
The space‑economy value chain links research, manufacturing, launch, operations, and data services to end‑user outcomes, creating a multi‑layered market that now totals high hundreds of billions of dollars and is projected toward a trillion by the 2030s. Upstream activities carry...
NASA announced seven contracts to advance key technologies for the upcoming Habitable Worlds Observatory, a flagship mission aimed at directly imaging nearby potentially habitable exoplanets. The awardees—Astroscale US, BAE Systems, Busek, L3Harris Technologies, Lockheed Martin, Northrop Grumman, and Zecoat—will develop...
NASA is preparing a low‑cost reboost mission to extend the life of the 21‑year‑old Swift gamma‑ray observatory, whose orbit is decaying due to atmospheric drag. Satellite‑servicing startup Katalyst Space will launch a Pegasus XL‑borne vehicle in June 2026 to attach to Swift...
Elon Musk announced on X that SpaceX could eventually produce up to 10,000 Starship vehicles a year, far exceeding the current Gigabay plant’s 1,000‑ship capacity. The claim follows rapid progress at Starbase, where the 700,000‑square‑foot facility is being built to...
Starlink’s 2025 financials show a dramatic surge, with revenue projected between $11.8 billion and $15.5 billion, up from roughly $8 billion in 2024. The subscriber base grew to about eight million, adding 4.6 million new users and expanding service to 35 additional countries. Cash‑flow...
Astronomers using the Hubble Space Telescope, together with ground‑based observatories, have detected a dense gas wake trailing Betelgeuse’s hidden companion star, Siwarha. The wake, likened to a boat’s ripple, confirms the companion’s existence after its initial indirect detection in July...
An international team of astronomers has announced the first spatially resolved, gravitationally lensed supernova, SN 2025wny, located 10 billion light‑years away. The supernova’s light was amplified by a factor of about 50 by two foreground galaxies, producing multiple images that ground‑based telescopes...
The U.S. Space Force Space Development Agency (SDA) is surveying firms capable of delivering ground entry points (GEP) for Tranche 3 of its Proliferated Warfighter Space Architecture. A five‑year solicitation, expected next month, will cover civil engineering, procurement, installation, integration, testing...
