All articles
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Commercial
Firefly Pushes Redesigned Alpha Rocket to Q4 After a Booster Exploded in Testing
Firefly Aerospace's Q2 10-Q and August 11 investor call confirm the Alpha Block 2 debut has slipped to Q4 2026, after an in-flight booster rupture and a September 2025 test-stand explosion forced a heavier redesign.
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Missions
NASA Finishes Its Suitcase-Sized Moonquake Detector for Artemis III's Landing Site
NASA says the Lunar Environment Monitoring Station, an 11-pound seismic station astronauts will hand-carry to the Moon's South Pole, has cleared hardware testing — reviving lunar seismology for the first time since Apollo shut its instruments off in 1977.
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Astronomy
Three Space Telescopes Turn the Tarantula Nebula Into a Layered 'Craft' — and Solve an X-ray Mystery
NASA's new Chandra-Webb-Hubble composite of the Tarantula Nebula looks like stacked cellophane, and the science behind it explains why the region glows with far less X-ray light than star-formation models predicted.
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Science & Discovery
This 374-Second Binary Is Losing Energy Faster Than Any White Dwarf Pair We Know
A newly timed ultracompact white dwarf binary toward the Large Magellanic Cloud is spiraling inward faster than any comparable system on record, making it a leading calibration target for the future LISA gravitational-wave observatory.
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Military Space
Vulcan Launches First National Security Mission, Carrying Navigation Satellite Meant to Backstop GPS
ULA's Vulcan rocket flew its debut national-security mission on August 12, 2026, delivering the Air Force's experimental NTS-3 satellite toward geosynchronous orbit to test jam-resistant GPS backup technology.
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NASA & Agencies
Station Crew Preps for Three-Agency Spacewalk to Swap Out a Balky Antenna
NASA says Expedition 75's Anil Menon and ESA's Sophie Adenot will step outside the ISS on August 18 for a 6.5-hour spacewalk to replace a space-to-ground antenna on the Z1 truss.
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Science & Discovery
Astronomers Spot Tiny Plasma Whirlpools on the Sun — Right at the Edge of What We Can See
A Nature study using the Inouye Solar Telescope has resolved 20-km plasma vortices on the Sun's surface for the first time, structures researchers compare to spotting a coin from 180 km away.
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Stargazing
Total Solar Eclipse and Peak Perseids Collide Over Europe on August 12
A total solar eclipse crosses Greenland, Iceland, and Spain on August 12, 2026, then the New Moon lets that same night's Perseid peak deliver up to 100 meteors an hour with zero lunar glare.
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Astronomy
Webb Telescope Reveals the Lion Nebula's Infrared Mane in Stunning New Detail
NASA's James Webb Space Telescope has imaged the "Lion Nebula" in infrared, exposing dust clumps and ionized gas invisible to Hubble and revealing the white dwarf that will finish dismantling the structure in about 10,000 years.
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Missions
NASA Breaks Down the Physics of X-59's Quiet Sonic 'Thump' Ahead of Community Flights
NASA's August 10 Quesst blog explainer details how the X-59 turns a sonic boom into a delayed, car-door-like thump — data the agency will hand to regulators writing new supersonic-over-land noise rules.
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Stargazing
A G2 Storm Just Hit — and NOAA Says Another CME Arrives on Eclipse Day
After a Kp 6 storm lit up Scotland-latitude skies on August 8, NOAA's new forecast calls G1 storming likely on August 12 — the same day as the Greenland-Iceland-Spain total eclipse and the Perseids' ramp-up — raising the improbable prospect of auroras during totality.
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Military Space
Golden Dome Gets Real Deadlines: Interceptor Ground Tests by Year-End, Orbital Flight Demos in 2027
The Pentagon has put firm dates on Golden Dome's hardest problem: space-based interceptor ground tests by end of 2026, two orbital flight tests in 2027, and an intercept demo in 2029 — with up to $3.2 billion spread across 12 companies and Gen. Michael Guetlein holding the program to a falsifiable clock.
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