NASA tested a Space Launch System rocket RS-25 engine at the Stennis Space Center. Credit: NASA Stennis Space Center ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

An international crew is readying for Thursday's planned launch of a NASA mission to the International Space Station after ...

SpaceX Falcon 9 rocket will launch from Vandenberg in California on a NASA mission. Where are some spots to watch liftoff?

A smaller 60-foot-tall NASA spacecraft known as a sounding rocket launched from New Mexico to study the sun's mysterious ...

The next satellites SpaceX helps to deliver to orbit from Vandenberg won't be its own, but rather two of NASA's on a ...

See photos from the Starlink 10-26 mission, which launched 5:01 a.m. July 26 from Cape Canaveral Space Force Station.

A sounding rocket that launched out of NASA's White Sands Space Harbor successfully and captured data about the sun on Friday ...

Airspace concerns apparently related to wider equipment outage Tuesday caused a last-minute hold and a 24-hour delay for a Falcon 9 rocket launch with ...