Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

The James Webb Space Telescope is a collaborative effort between NASA, the European Space Agency and the Canadian Space Agency. Unlike the Hubble Space Telescope, which orbits around the Earth, Webb ...

NASA astronauts Suni Williams and Barry "Butch" Wilmore returned to Earth on Tuesday after spending some nine months in space ...

Suni Williams and Butch Wilmore are on their way to Earth in a SpaceX Crew Dragon capsule after problems with a Boeing ...

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

NASA astronauts Butch Wilmore and Suni Williams ended up spending 286 days in space — 278 days longer than anticipated when ...

SpaceX launched yet another batch of its Starlink internet satellites to orbit from Florida this afternoon (March 18). A ...

NASA astronauts Suni Williams and Butch Wilmore begin their 17-hour return journey to Earth after 9 months aboard the ISS. Follow Newsweek's live blog.

Before its mission came to an end, the Blue Ghost lander captured one more incredible view of sunset seen from the moon.

The pair of NASA astronauts who have been in space for over nine months returned to Earth Tuesday after a new crew to replace them reached the ISS over the weekend.

NASA Astronauts Sunita “Suni” Williams and Barry “Butch” Williams have safely returned to Earth after nine months in space on ...

A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA ...