NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their ...

Nasa's Jonny Kim and cosmonauts Sergey Ryzhikov and Alexey Zubritsky have touched down in Earth after 245 days on the ISS.

After a yearslong series of setbacks, NASA's Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission has ...

NASA astronaut Jonny Kim and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky landed on Russia's Soyuz MS-27 on Dec.

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

Satellites reflect sunlight, Earthshine, infrared and radio waves.

Billionaire tech entrepreneur Jared Isaacman returned to Capitol Hill Wednesday for his second confirmation hearing for the ...

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

Video shows NASA's futuristic solar sail technology prototype. Like a sail on the ocean propels a boat with the wind, this ...

NASA astronaut Jonny Kim has returned to Earth after an eight-month mission aboard the International Space Station. He ...

MAVEN (Mars Atmosphere and Volatile EvolutioN) is one of only three NASA missions currently in operation around Mars, and one ...

MAVEN has circled Mars for more than a decade, exploring the planet and relaying data from robots on the surface.