Four astronauts preparing for an extended stay in space have started quarantine as they get ready for their next big mission.

A four-person NASA crew returned to Earth just after midnight on Thursday morning.

The International Space Station (ISS) is now orbiting Earth at a record altitude of 262 miles (422 km). It was deliberately nudged to a higher position just recently by a SpaceX Dragon spacecraft.

NASA will launch two crewed missions in early February, sending astronauts to the ISS to prepare for Mars missions and ...

This story was updated at 11:04 a.m. EDT. The world's first commercial space cargo ship, the unmanned Dragon capsule, has begun its return trip from the International Space Station back to Earth today ...

As President Donald Trump and Elon Musk argued on social media on Thursday, the world's richest man threatened to decommission a space capsule used to take astronauts and supplies to the International ...

The International Space Station received another small lift late last week, continuing a routine but essential process that ...

SpaceX has signed a deal with a space tourism company to organize a trip orbiting the Earth for a handful of adventurous travelers. Space Adventures - which organized eight tourism trips to the ...