NASA astronaut Jonny Kim flew home from the International Space Station alongside two Roscosmos cosmonauts landing in the ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

NASA’s Hubble Space Telescope captured a deeper look at interstellar comet 3I/ATLAS, with its Wide Field Camera 3 instrument, ...

NASA's Nancy Grace Roman Space Telescope is now fully assembled and ready to begin launch preparations this summer.

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Russian Soyuz crews are now spending eight months aboard the space station instead of six to stretch supplies and lower costs ...

NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the ...

NASA's advanced space observatory known as SPHEREx is on its cosmic journey to solve some of the universe's biggest mysteries. The space telescope, which NASA has spent years developing, launched ...

Samples collected from the asteroid Bennu are continuing the shed light on the origins of the solar system and how life ...

Satellites reflect sunlight, Earthshine, infrared and radio waves.

By Will Dunham WASHINGTON, Dec 3 (Reuters) - An exponential increase in the number of satellites placed in low-Earth orbit ...

NASA's Goddard Space Flight Center in Maryland is facing controversy over potential building closures. Here's what's been ...