Cygnus XL is Northrop Grumman 's largest cargo spacecraft to date. The spacecraft was reconfigured to have increased payload ...

The station is so crowded that a temporary separation was required to make room for an incoming Russian vessel.

For the first time in its 25-year history, all eight docking ports on the International Space Station are occupied, according ...

The International Space Station (ISS) has been orbiting Earth for the last quarter of a century. But it was only this week ...

NASA has selected Northrop Grumman to provide cargo delivery services to the ISS once a spacecraft designed to deorbit the ...

Northrop Grumman’s Cygnus spacecraft successfully launched atop a SpaceX Falcon 9 rocket from the Kennedy Space Center in Florida on Sunday, but a little while later, NASA reported an issue with the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Northrop Grumman's NG-21 Cygnus cargo spacecraft is seen held by the International Space ...

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...

CAPE CANAVERAL, Fla. (AP) — A newly launched supply ship has run into engine trouble that is preventing it from reaching the International Space Station. Northrop Grumman‘s capsule rocketed into orbit ...

Update for 8 p.m. EST on Nov. 8: Cygnus' handlers were unable to deploy its second solar array but say the freighter nonetheless remains on course to dock with the International Space Station early on ...

A high-altitude balloon telescope has revealed new patterns in X-rays emitted near the black hole Cygnus X-1. These signals ...

A Soyuz spacecraft delivered two Russian cosmonauts and one American astronaut to the International Space Station Nov. 27 for ...