Nicole Stott, a retired astronaut who participated in the space shuttle program and traveled to the International Space ...

The US Space Force announced Friday it selected SpaceX, United Launch Alliance, and Blue Origin for $13.7 billion in contracts to deliver the Pentagon's most critical military satellites to orbit into ...

For a brief period in the 1980s, astronauts went untethered outside their space capsule, flying with jet packs. The photos ...