Sierra Space had been looking to join SpaceX and Northrop Grumman as one of three commercial resupply partners for NASA ...

NASA has announced significant modifications to its contract with Sierra Space for the Dream Chaser spacecraft, effectively ...

Sierra Space and NASA have sharply revised a contract to use the company’s Dream Chaser vehicle to deliver cargo to the ...

SpaceX launched a Falcon 9 rocket with a payload of more than two dozen Starlink satellites into low-Earth orbit early ...

NASA officials are prepared to launch a mission that is designed to protect the Earth's technologies against the potentially ...

NASA’s IMAP mission, alongside two other solar science-packed spacecraft, have been processed at Astrotech’s facility in ...

Launch recap: Scroll down to review live updates from the Thursday ... Update 4:12 a.m.: NASA and Northrop Grumman are ...

Live updates from the Starlink 10-27 mission, which launched 6:53 a.m. Sept. 21. from Launch Complex 40 in Cape Canaveral ...

Adapting and overcoming unforeseen challenges is something we do at NASA,” astronaut Jonny Kim explained seconds after piloting the International Space Station’s robotic arm to capture Northrop ...

The largest ever version of Northrop Grumman’s Cygnus cargo resupply spacecraft was able to make it to the station despite ...

The new jumbo version of Cygnus delivered about 11,000 pounds of cargo to the orbiting lab this morning (Sept. 18).

The capture by the International Space Station's robot arm came a day late because of an unexpected, but now resolved, ...