BEIJING (AP) — Three Chinese astronauts’ return to Earth has been postponed owing to weather conditions.

The U.S. military has been responsible for rescuing astronauts during emergencies for years. NASA looks to change that.

NASA officials ordered the removal of one of the massive rocket's RS-25 main engines after discovering a hydraulic leak on the engine's main oxidizer valve actuator, which controls the flow of ...

Two NASA astronauts will step outside the International Space Station on Thursday to take part in U.S. Spacewalk 93, NASA's fifth-ever all-female spacewalk.

A recent article published by SciTechDailyhighlights how NASA’s Apollo astronauts prepared for the Moon’s rugged landscape by ...