Space Exploration

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NASA Study of Apollo Moon Soil Finds Meteorites Supplied Only a Small Share of Earth’s Water

High-precision oxygen isotope fingerprints in lunar regolith set new upper limits on late water delivery.

Largest Sulfur-Bearing Molecule Yet Found in Space Detected in Starless Cloud

Crew-11 Details NASA’s First Medical Evacuation From ISS, Credits Ultrasound in Managing Crisis

NASA Marks Challenger's 40th Anniversary at Kennedy Space Center

Webb NIRCam Reveals Helix Nebula’s Cometary Knots in Unprecedented Detail

Solar Orbiter Study Finds Large Solar Flare Triggered by 'Magnetic Avalanche'

NASA’s ISS Transition Faces Clock as Vast Sets 2027 Haven-1 Launch and Rules Remain Unclear

SpaceX Weighs IPO as Tech Giants Race to Put AI Data Centers in Orbit

New Model Shows Salty Europa Ice Could Sink, Ferrying Nutrients to Its Hidden Ocean

NASA White Paper Details Data Roadmap for Habitable Worlds Observatory's Life Search

Young Black Holes Shrouded in Gas May Explain JWST’s ‘Little Red Dots’

Supermassive Black Hole in J1007+3540 Restarts Jets After 100 Million Years

SpaceX Crew-11 Splashdown Marks First Medical-Driven Early Return From the ISS

U.S. Moves to Build Lunar Nuclear Reactor by 2030 Under NASA–DOE Pact

Crew-11 Splashes Down Off California in NASA’s First ISS Medical Evacuation

Precessing Black Hole Jet in VV 340a Drives Vast Outflow in Young Disk Galaxy

Far-Side Moon Samples Link South Pole–Aitken Impact to Lunar Asymmetry

NASA Launches ‘Mars to Table’ Challenge for Self-Sustaining Space Food Systems

Firefly Plans Alpha Block II Upgrade as Flight 7 Tests Pave Way for Flight 8

Study in PNAS Finds Astronauts’ Brains Shift Upward and Back After Spaceflight