All articles
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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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Missions
Perseverance Crosses the Marathon Mark on Mars — and Leaves Opportunity's Pace in the Dust
NASA's Perseverance rover has driven a full marathon's worth of distance on Mars, hitting 26.2 miles in five years and four months — a pace nearly three times faster than Opportunity managed.
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Military Space
Pentagon's Missile-Tracking Constellation Grows by 36 as SDA Hands Out $1.75 Billion
L3Harris and Sierra Space will build 36 new missile-tracking satellites for $1.75 billion, pushing the Space Development Agency's Tranche 3 constellation to 104 spacecraft in support of the Golden Dome missile-defense architecture.
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Stargazing
The Southern Delta Aquariids Are Warming Up for a Moonlit Late-July Peak
The Southern Delta Aquariids peak the night of July 30-31, 2026, but a full moon just one day earlier means the best views come from patient pre-dawn watching in the week before.
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Commercial
SpaceX Marks the 600th Flight of a Reused Falcon Booster With a Pre-Dawn Starlink Launch
A pre-dawn Falcon 9 launch from Cape Canaveral quietly notched a milestone that says more about SpaceX's operating model than any single mission: the 600th flight of a reused booster.
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Military Space
Space and Air Chiefs From 50-Plus Nations Convene in London to Talk Space Warfare and Nuclear Deterrence
Air and space leaders from the US, UK, and more than 50 other nations meet in London July 15-16 to discuss space operations, nuclear deterrence, and missile defense days after a tense NATO summit.
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Stargazing
A Delicate Trio at Dusk: Moon, Venus, and Regulus Share the Sky July 15-17
A waxing crescent Moon glides past Venus and Regulus on three straight evenings this week, brushing 0.5° from the heart of Leo on July 16 before closing to within 2° of Venus the next day.
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Astronomy
Hubble and Webb Team Up to Find Omega Centauri's First Confirmed Black Hole
Twenty years of Hubble astrometry plus fresh James Webb data caught a 4.46-solar-mass black hole tugging a companion star in a record 94-year orbit inside Omega Centauri.
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NASA & Agencies
Fifty Days Up: Shenzhou-23 Crew Deepens Microgravity Research Aboard Tiangong
Nearly 50 days into a planned one-year stay, Shenzhou-23's three-person crew — including Hong Kong's first astronaut — is running biomechanics and brain-function studies aboard China's Tiangong space station.
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