Space company Northrop Grumman said it conducted an autonomous docking test of the Cygnus resupply spacecraft with the ...

Northrop Grumman's Cygnus XL experienced main engine troubles that have hampered its resupply mission to the International ...

Norththrop Grumman's Cygnus XL has resumed its journey to the International Space Station after a day-long delay. NASA will provide a livestream.

A software glitch in the Cygnus XL caused its main engine to shut down earlier than expected, delaying the more than 11,000 ...

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

Modifications to a cargo deal between Sierra Space and NASA may mean the Dream Chaser space plane never reaches the International Space Station.

Sierra Space and NASA announced that the first flight of the Dream Chaser spaceplane has been pushed to late 2026, mission will no longer involve the ISS.

Sierra Space and NASA have renegotiated their contract for the Dream Chaser spaceplane that will allow the spacecraft to make ...

Launch recap: Scroll down to read updates from the NG-23 mission, which launched 6:11 p.m. Sept. 14 from Launch Complex 40 in Cape Canaveral Space Force Station. Original story: Another resupply ...

NASA and Northrop Grumman had delayed the arrival of a Cygnus XL spacecraft to the orbital outpost after an issue with its main engine was detected. Flight engineers were able to determine that it ...

The Cygnus XL vehicle, was due to dock Wednesday, Sept. 17. But the vehicle then encountered trouble when its main engine that has delayed its arrival as engineers explore an alternate plan. The ...