After an unexpectedly prolonged mission aboard the International Space Station (ISS), NASA astronauts Sunita Lyn “Suni” ...

India’s frugal space solutions aren’t just driving interplanetary ambitions but are solving real- world challenges at scale.

How do we power missions in the outer reaches of our solar system and beyond? The solution, developed in the '60s, can last ...

NASA astronauts returned to Earth in the wee hours of Wednesday after spending more than nine months at the International ...

On Tuesday, two NASA astronauts who had been in orbit since June, Suni Williams and Butch Wilmore, splashed down in calm, ...

NASA’s Suni Williams and Butch Wilmore — who gained international attention as their planned short stay in space stretched ...

A four-member crew, including NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore, left the ISS early Tuesday on ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.

Sen. Mark Kelly and his twin brother Scott Kelly — both former astronauts — have come out against thanking Elon Musk and President Trump for returning the two astronauts stranded by the recent bungled ...

The marine mammals swarmed around the recovery team and capsule, welcoming home the astronauts shortly after they splashed ...

SpaceX Crew-9’s return to Earth marks another milestone in NASA’s Commercial Crew Program, with four astronauts safely ...