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Chandra Data Suggests the Milky Way’s Outer Arms Stretch 10% Farther
Using gamma-ray bursts as cosmic flashlights, NASA's Chandra X-ray Observatory has found evidence that the Milky Way's outer spiral arms may reach 10% farther from the galactic center than every prior measurement indicated — a shift that would reshape estimates of the galaxy's total mass, dark matter distribution, and its eventual collision course with Andromeda.
SpaceX Dawn Launch Creates Neon Sky Spiral — Here’s the Physics
SpaceX's Starlink Group 10-45 Falcon 9 launches at 3:15 AM EDT July 14 from Cape Canaveral — and the pre-dawn timing creates the exact geometric window in which exhaust and vented propellant can bloom into a glowing neon spiral visible across the Florida sky.
China’s Qingzhou Cargo Spacecraft: Smaller, Cheaper, Built for Tiangong
China's next-generation Qingzhou cargo spacecraft passed its 2025 orbital test flight and is scheduled for its operational debut in January 2027, designed to resupply the Tiangong space station more cheaply than its predecessor, the Tianzhou.
Wow Signal 1977: The 72-Second Burst That Still Defies Explanation
On August 15, 1977, astronomer Jerry Ehman circled six characters on a radio telescope printout and wrote 'Wow!' — a annotation that still defines humanity's search for extraterrestrial intelligence 47 years later.
CubeSat GRITSS Targets the Centimeter Errors That Send Spacecraft Off Course
A tiny, precisely characterized CubeSat built by NASA and ISISPACE is designed to expose the subtle errors in orbital reference frames — the invisible coordinate grids that every spacecraft depends on — errors small enough to ignore today but consequential enough to derail next-generation proximity operations and lunar missions.
Rice and NASA Release the First Open-Source Remote Space Robotics Simulator
Rice University and NASA have jointly released iMETRO Dynamic Simulation, the world's first open-source remote space robotics simulator, giving universities and researchers worldwide a free, high-fidelity digital twin of NASA's physical iMETRO test facility.Load More
