PM Modi has invited NASA astronaut Sunita Williams to visit India as two astronauts departed the ISS aboard a SpaceX capsule ...

A Dragon capsule undocked from the International Space Center early Tuesday, sending NASA astronauts Suni Williams and Butch ...

NASA astronauts Butch Wilmore and Suni Williams set out for a weeklong mission at the International Space Station last year.

Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

SpaceX Falcon 9 rocket is set to launch a batch of Starlink satellites from Cape Canaveral, Florida. Visibility from Treasure ...

A SpaceX Falcon 9 rocket will potentially launch a payload of Starlink internet-beaming satellites into low-Earth orbit from ...

Firefly Aerospace and Intuitive Machines belong to a group of more than a dozen private companies vying to land lucrative ...

A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.

During the formative days of SpaceX, I remember a long, grueling night in a tiny workshop in California. We’d experienced ...

Starliner astronauts Butch Wilmore and Suni Williams will join Crew 9 commander Nick Hague and cosmonaut Alexander Gorbunov for their long-awaited return home to Earth after months stuck in space.

Astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station for nine months, closed ...