All articles
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Astronomy
Rubin Observatory Finds Its First Ultra-Faint Milky Way Satellite: Meet Aquarius IV
Rubin Observatory's early-preview data has already turned up Aquarius IV, a 13-billion-year-old dwarf galaxy so faint it barely outshines a single bright star — an early hint of the dozens more the LSST survey is expected to uncover.
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Science & Discovery
Sharpest-Ever Sun Images Reveal Swirling Instabilities Hiding in Plain Sight
The Inouye Solar Telescope's highest-resolution images yet show Kelvin-Helmholtz vortices are everywhere on the Sun's surface, not rare events — a discovery that may help crack the decades-old mystery of why the corona is millions of degrees hotter than the surface below it.
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Missions
SkyFall's Ice-Hunting Radar Antenna Survives 200 Simulated Mars Landings
JPL put a featherweight fabric radar antenna for NASA's nuclear-delivered SkyFall Mars helicopters through 200 simulated landings without measurable performance loss, clearing a key hurdle ahead of a late-2028 launch.
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Stargazing
August 12 Total Solar Eclipse Will Cross Greenland, Iceland and Spain — Then Hand Off to the Perseids
A total solar eclipse sweeps from the Denmark Strait through Iceland into northern Spain on August 12, 2026, then gives way to a moonless, "optimum" Perseid peak the same night.
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Commercial
Blue Origin Pins New Glenn Pad Explosion on a BE-4 Oxygen Valve
Blue Origin says a single malfunctioning main oxygen valve on a BE-4 engine destroyed New Glenn and 48 Amazon Leo satellites in May, with fixed hardware due late August and flights targeted before year's end.
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Science & Discovery
A Dead Star's X-rays May Have Just Confirmed a 90-Year-Old Prediction About Empty Space
NASA's IXPE spacecraft, paired with NICER and Australia's Murriyang radio telescope, caught magnetar 1E 1547.0-5408 emitting X-rays polarized up to ~80% — evidence that its trillion-times-Earth magnetic field bends empty space itself, as QED predicted in 1936.
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NASA & Agencies
NASA and Northrop Grumman Repurpose Gateway's HALO Tech for Lunar South Pole Demo Missions
Facing scrutiny over Gateway's ballooning costs, NASA and Northrop Grumman are redirecting HALO module technology into three South Pole demo missions meant to prove out Moon Base hardware years before Gateway itself flies.
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Missions
Perseverance Watches Earth Vanish Behind Phobos in a Martian First
On Sol 1,907, Perseverance's Mastcam-Z caught Earth slipping behind the Martian moon Phobos—the first photographed occultation of one world by a moon of another, ever.
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NASA & Agencies
Meir and Menon Head Outside to Rewire the Station's Power Grid for Its Next Solar Array
NASA astronauts Jessica Meir and Anil Menon spent 6.5 hours outside the ISS on August 6 rewiring a power channel for a future solar array, the first of three spacewalks this month.
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Astronomy
New Horizons Data Suggests Liquid Nitrogen Is Still Flowing on Pluto
A reanalysis of decade-old New Horizons images has turned up dark streaks on Pluto's nitrogen glacier that look like recent liquid seepage — the first sign of active flowing liquid anywhere on the dwarf planet.
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Military Space
Space Force Splits $615 Million Among Rocket Lab and Two Others to Track Airborne Threats From Orbit
Space Systems Command handed Rocket Lab $397 million to build orbital jet-tracking satellites for launch on its still-unflown Neutron rocket, part of a $615 million multi-vendor push to watch the skies from space instead of AWACS planes.
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Missions
A Dead SpaceX Rocket Stage Just Struck the Moon Near Einstein Crater — and the VLT Watched It Happen
A spent Falcon 9 upper stage from January 2025's Blue Ghost/Hakuto-R launch slammed into the Moon's far side near Einstein crater on August 5, 2026, and ESO's VLT caught sodium and lithium flashing in the debris plume.
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