Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other ...

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 ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...

NASA and SpaceX made another attempt on Friday to send a crew up to the International Space Station (ISS) and begin the ...

Dolphins surrounded the SpaceX capsule after it landed in the ocean on the NASA astronauts' successful journey home after ...

Four astronauts were all smiles Tuesday evening when they splashed down off the Florida coast on a SpaceX Dragon capsule. See ...

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

Stranded NASA astronauts Butch Wilmore and Suni Williams are heading home after the SpaceX capsule sent to rescue them ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...