SpaceX launched a new round of 21 Starlink satellites into lower Earth orbit, 13 of which can contact cell phones directly.

Close calls are becoming more common as low Earth orbit becomes more and more crowded with satellites and debris.

A viral photo of NASA astronaut Sunita Williams in a Santa hat aboard the ISS has sparked an online debate about her extended ...

NASA astronauts Suni Williams and Butch Wilmore will be spending the holidays aboard the International Space Station, with ...

Williams, along with fellow astronaut Butch Wilmore, has been on the ISS for over six months after their mission was ...

W hen astronauts head to Mars, they will experience time dilation. That's to be expected. In fact, your feet and your head experience time dilation, with your head aging ever so slightly faster than ...

The Orion capsule concluded its 25-day Artemis I mission in 2022 with a landing in the Pacific, revealing significant heat ...

Explorers, astronauts and filmmakers described life in space and on Earth in an epic livestream from the Drake Passage.

The iSpace-Magna Petra agreement to start returning that isotope to Earth could be a small, first step that could spark a giant leap for a fusion energy economy that could transform human ...

Expedition 72 crew members aboard the International Space Station (ISS) wrapped up their week with key science hardware ...

Chinese astronauts achieved a record-breaking spacewalk outside the Tiangong space station, marking a significant achievement ...

Chinese astronauts completed a record nine-hour spacewalk at the Tiangong space station, surpassing NASA's previous record.