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NASA astronaut Kathleen “Kate” Rubins has retired from the space agency after 16 years, two missions on the International Space Station, four spacewalks and 300 days in space. Her last

Martian glaciers are mostly pure ice across the Red Planet, suggesting they might potentially be useful resources for any explorers that might land there one day, a new study finds.

An image of a Titan shadow transit over Saturn, captured by Efrain Morales on July 18, 2025 (Image credit: Efrain Morales) Amateur astronomer Efrain Morales captured a breathtaking image of

Around the world, international borders are hardening. Nations are competing for resources, technology and even orbits. But in Vienna this June, a different vision took center stage. One where space

Satellites in low-Earth orbit play a key role in helping us study and understand our planet. Orbiting at altitudes usually between 100 and 1200 miles (160 and 2,000 kilometers), these

A provision in President Trump’s “Big Beautiful Bill” orders the Air and Space Museum to transfer ownership of Space Shuttle Discovery back to NASA for relocation near the space center

The U.S. and India just sent a powerful new set of radar eyes into the sky. The NISAR satellite, a joint mission of NASA and the Indian Space Research Organization

Our parochial view of planets orbiting a central star — so familiar because it is the layout seen in the solar system — could be irrevocably shattered by new research

Astronomers discovered a new rogue planet lurking in archival data gathered by the Hubble Space Telescope, and the find is thanks to a little serendipity — and a little help

Twenty-eight more Starlink satellites are now in Earth orbit after launching from Florida on Tuesday night (July 29). A SpaceX Falcon 9 rocket lifted off at 11:37 p.m. EDT (0337