The astronauts’ return date was pushed back again, after what was supposed to be a dayslong trip stretched into months.

NASA Administrator Bill Nelson, who has led the agency into a new era of space exploration, is preparing to step down after four years at the helm. As his tenure comes to an end in January, Nelson ...

As NASA reveals that the stranded astronauts will be stuck aboard the ISS for another month, MailOnline reveals the details ...

A holiday photo of NASA astronaut Suni Williams has drawn concern — as she and fellow astronaut Butch Wilmore’s return to Earth has been delayed a second time.

McAuliffe was 37 when she was killed, one of the seven crew members aboard the Challenger when the space shuttle broke apart on live TV on Jan. 28, 1986.

Boeing Starliner crew's return delayed by SpaceX mission NASA astronauts Wilmore, Williams stay on ISS until March SpaceX delay pushes back Crew-10 mission, altering schedules ...

Sunita Williams' return from space is delayed. Safety concerns with the Boeing Starliner spacecraft caused the delay. NASA ...

BREVARD COUNTY, Fla. - A retired NASA astronaut is sounding the alarm on safety with the Artemis II mission. Earlier this ...

Early interactions with the Earth may have heated up the Moon and caused it to remelt, producing new lunar rocks and erasing ...

TWO astronauts stranded on the International Space Station are set to be stuck for even longer as their escape has been ...

SpaceX needs extra time to process the new spaceship that will finally relieve Butch Wilmore and Suni Williams of their space ...

NASA Administrator Bill Nelson says he's optimistic the Trump administration will support the space agency's agenda.