All articles
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Military Space
Saltzman's Exit Warning: Orbital Mechanics Will Drag Everyone Into a Space War
In his farewell address as Chief of Space Operations, Gen. Chance Saltzman warned that orbital mechanics gives no nation an opt-out from a war in space — and that the only real deterrent is a force visibly able to win one.
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Astronomy
Hunting for Alien Industry in the Ashes of Dead Stars
A team led by Beijing Normal University's Bo-Lun Huang tested 697 white dwarf abundance records against 3,493 meteorite analyses, asking whether the debris raining onto dead stars carries the chemical signature of refined metal. It doesn't — but the framework they built to ask is the real result.
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Missions
Two Landers, Two Philosophies: Inside the Artemis III Rehearsal's Engineering Split
NASA's July 15 breakdown of the 2027 Artemis III demo reveals how far apart SpaceX and Blue Origin's test articles are: astronauts will open the hatch on Blue Moon Mark 2, but never set foot inside a 171-foot Starship that docks nose-first with a bolted-on docking system and no crew cabin.
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Science & Discovery
The Meteorite That Crashed Through a New Jersey Roof Was Carrying Alien Amino Acids
Two years to the day after a fireball rattled New York City and a two-pound rock punched through a Hillsborough, NJ roof, scientists report the meteorite preserves sodium-carbonate salts and extraterrestrial amino acids brewed in briny fluids on a 4.5-billion-year-old asteroid.
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Commercial
The 3D-Printed Washing Machine Taking On the Geostationary Giants
SWISSto12 raised $70 million on July 16 to scale HummingSat, a 3D-printed, washing-machine-sized GEO satellite — backed by $500M in contracts, $140M in 2025 revenue, orders from SES and Intelsat, and 73 million euros of ESA member-state money betting on European space sovereignty.
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Military Space
Half the Constellation: SDA Resumes Tranche 1 Satellite Launches After Nine-Month Pause
SDA launched 21 more York-built data-relay satellites after a nine-month pause to fix on-orbit software and hardware issues, bringing half of its 126-satellite Tranche 1 Transport Layer into orbit even as GAO warns the program may not deliver capability on schedule.
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Science & Discovery
The Ceiling Was an Illusion: NASA-Led Study Says Solar Storms Could Hit Earth Harder Than We Thought
A NASA-led analysis of over a million solar wind measurements finds the long-assumed "saturation" limit on geomagnetic storm intensity is a statistical artifact, not a real ceiling — meaning the worst space weather could still be ahead of us.
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Commercial
Washington Weighs a 'Light-Touch' Rulebook for Space Businesses No One Regulates Yet
A House subcommittee grilled the Office of Space Commerce on its plan for a single opt-in "Space Commerce Certification" to fast-track approval of orbital manufacturing, satellite servicing, and lunar ventures that fall outside FAA and FCC authority.
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Astronomy
Hiding in Plain Sight: Hubble Uncovers Four White Dwarfs Lurking Beside Sun-Like Neighbor Stars
Hubble's ultraviolet vision pulled four stellar corpses out of the glare of their brighter red dwarf companions, including one just 25 light-years away that took nearly 30 years to confirm.
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Missions
A One-Two Cosmic Punch: Perseverance Finds a 3.9-Billion-Year Impact Record Written Into the Rim of Jezero Crater
Perseverance has found a 245-foot rock stack on Jezero Crater's rim built by repeated ancient impacts more than 3.9 billion years ago — among the oldest terrain any Mars rover has examined.
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NASA & Agencies
ISRO Clears Three Critical Gaganyaan Crew Module Safety Tests
ISRO validated the cold-gas uprighting system, umbilical separation mechanism, and apex cover structure for Gaganyaan's crew module, clearing a key hurdle before India's first crewed spaceflight.
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Science & Discovery
Quiet Sun, Restless Field: Inside NOAA's Latest Space Weather Snapshot
Weeks after an X-class flare sparked aurora across 30 US states, NOAA's July 15 snapshot shows 36 tame sunspots, a mild C3 flare, and just quiet-to-minor storm odds — a reminder that solar weather swings fast.
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