Martha Stewart appeared to mock Katy Perry's recent trip to space, joining other celebrity critics, including Olivia Wilde ...

FAA guidelines say the six women did not meet mission-critical standards that qualify a person as an astronaut.

Cosmonaut Alexey Ovchinin of the Russian space agency Roscosmos passed control of the orbiting lab over to Takuya Onishi of ...

NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after 220 days in orbit.

The extent of the Earth’s boundaries and the beginning of space revealed that no astronauts in the history of spaceflight had ...

Mission funded by billionaire Jeff Bezos has received a heavy backlash and scepticism over its marketing as a historic and ...

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

To study Mars’s chemical and mineral makeup, the Curiosity rover drills one to 1.5 inches down into the subsurface, then ...

CBS host Gayle King defended her 10-minute space flight aboard the Blue Origin rocket on Monday, telling critics there was ...

The company is developing a commercial replacement for the ISS, currently planned to be retired at the end of the decade.

NASA astronaut Don Pettit returns to Earth on a Soyuz spacecraft later this week. Read about his extraordinary ride home on ...

Jeff Bezos’ Blue Origin launched his fiancee Lauren Sanchez into space Monday with an all-female celebrity crew that included ...