All articles
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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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Commercial
FAA Closes Starship Flight 12 Mishap Probe, Clears SpaceX for Flight 13
The FAA closed its Flight 12 mishap investigation on July 13, pinning the Super Heavy booster loss on heat effects and bad engine alarm settings, and cleared SpaceX for a Flight 13 attempt as soon as July 16.
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Science & Discovery
JWST Finds a "Hot but Cold" Hydrogen Glow Far Out in an Edge-On Planet-Forming Disk
A new JWST study of the edge-on disk Oph 163131 finds hydrogen gas glowing from vibrational excitation without the rotational heat that normally comes with it, pointing to UV and cosmic rays stirring the far reaches of a planet-forming disk.
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Stargazing
Predawn Sky Guide: Moon Lines Up With Mars, Saturn and Uranus on July 11-12
A waning crescent Moon points the way to Mars, Saturn, and a binoculars-only Uranus in the predawn eastern sky on July 11-12, 2026, part of a busy month of lunar-planetary conjunctions.
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Military Space
SDA Hands L3Harris and Sierra Space $1.75 Billion to Build 36 Golden Dome Tracking Satellites
The Space Development Agency awarded L3Harris and Sierra Space a combined $1.75 billion on July 13 to build 36 missile-tracking satellites for Golden Dome's Tranche 3, targeting launch by the end of 2028.
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