More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

The ISS is a one-of-a-kind project in which countries such as the US, Canada, and Japan have been collaborating.

The spacecraft in question was the Shenzhou-20 capsule, which transported a crew of three astronauts to the Tiangong space ...

B—but it can rapidly change orbits, deploy payloads, or conduct on-orbit servicing, giving it clear intelligence or counter-space value.

Launched in 2004, the Neil Gehrels Swift Observatory – formerly the Swift Gamma-Ray Burst Explorer – has been dutifully studying gamma-ray bursts (GRBs) during its two-year mission, before moving on ...