A Northrop Grumman cargo spacecraft on a resupply run to the International Space Station has been waylaid in orbit due to mechanical troubles. The uncrewed resupply mission, the 23rd commercial ...

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 ...

Northrop Grumman’s new testbed with its company-developed autonomy software is set to fly imminently, as the company looks to use the aircraft to help partner companies develop their own software. The ...

Running a day late because of software issues, Northrop Grumman's Cygnus XL cargo ship caught up with the International Space Station early Thursday and then stood by while the lab's robot arm latched ...

Northrop Grumman's Model 437 aircraft with Beacon livery. The aircraft provides a platform for partners to flight test their mission software. (Northrop Grumman) In June, Northrop Grumman unveiled its ...

Update for 11 p.m. EDT on Sept. 17: The Cygnus XL overcame its thruster issue and is now on track to rendezvous with the space station on Thursday (Sept. 18) at 7:18 a.m. EDT (1118 GMT), according to ...

Running a day late because of software issues, Northrop Grumman's Cygnus XL cargo ship caught up with the International Space Station early Thursday and then stood by while the lab's robot arm latched ...

A supply ship arrived at the International Space Station on Thursday after a day's delay due to a premature engine shutdown. Astronauts used the space station's robot arm to pluck Northrop Grumman's ...

One day after the arrival of a Russian cargo ship, a SpaceX Falcon 9 rocket launched an upgraded Northrop Grumman space freighter Sunday, putting the unpiloted spacecraft on course for capture by the ...

What happens when you use a SpaceX Falcon 9 rocket to launch Northrop Grumman's Cygnus supply ship? A record-setting resupply mission to the International Space Station. The first flight of Northrop's ...

One day after the arrival of a Russian cargo ship, a SpaceX Falcon 9 rocket launched an upgraded Northrop Grumman space freighter Sunday, putting the unpiloted spacecraft on course for capture by the ...