Space Exploration

A Russian spacecraft undocked from the International Space Station, only to burn up in Earth's atmosphere hours later as part of a routine waste disposal mission.

The U.S. military's elusive X-37B space plane has postponed its next launch by three days. Based on the rocket its riding on, the secretive spacecraft is likely launching farther than ever before.

Chinese astronauts recently captured the first clear shot of the completed Tiangong space station as they were leaving the orbiting habitat to return to Earth.

A sample from the asteroid Bennu, collected by the OSIRIS-REx mission, has arrived at London's Natural History Museum for analysis. Scientists are optimistic that it could contain the seeds of life.

The NISAR satellite, a collaboration between NASA and India's space agency ISRO, will help scientists monitor how climate change is affecting Earth's varied landscapes.

Astronomers have discovered a new type of "aurora" created by falling SpaceX rocket boosters that punch temporary holes in the ionosphere. Experts are concerned that these blood-red light shows could be causing unknown problems for astronomy and communication.

Earth successfully received a message beamed from NASA's Psyche spacecraft, located some 10 million miles away.

SpaceX's next-generation Starship megarocket launched on its second-ever test flight this Saturday (Nov. 18), but exploded in a 'rapid unscheduled disassembly.'

Liftoff of SpaceX's enormous Starship is currently scheduled for Nov. 18, during a 20-minute window that opens at 8 a.m. ET.

A tool bag that gave astronauts the slip during a spacewalk at the International Space Station is surprisingly bright and can be seen from Earth with binoculars.