The system, Cygnus X-3, was discovered in the early 1970s when radio telescopes spotted powerful jets radiating out from it at nearly the speed of light. The radio emission from these jets lasts ...

If successful, Orbital Sciences' Cygnus spacecraft will become the second private robotic American cargo ship to dock with the orbiting laboratory. The first was the Dragon capsule, built by ...

In a rare turn of events for what is usually such a reliable vehicle, NASA is currently assessing the condition of a Cygnus spacecraft that’s only managed to deploy one of its two solar arrays ...

March 27 (UPI) --The uncrewed Cygnus spacecraft is scheduled to undock from the International Space Station Friday after having delivered more than 4 tons of supplies, scientific instruments used ...

Cygnus was captured by the station's robotic arm at 3:11 a.m. ET on Tuesday (Aug. 6). Northrop Grumman's robotic Cygnus freighter reached the International Space Station (ISS) early Tuesday ...

Orbital ATK’s Antares rocked rises from its Virginia launch pad, sending a robotic Cygnus cargo ship into space. (NASA Photo / Audrey Gemignani) Update for 10 p.m. PT May 24: Astronauts used the ...

Orbital Sciences Corp.'s Cygnus cargo spacecraft was rescheduled Friday to launch from NASA's Wallops Flight Facility in Virginia on Sunday at 12:52 p.m. ET. It's expected to arrive at the ...

Despite having only one of its two solar arrays deployed, NASA’s Cygnus spacecraft successfully docked with the International Space Station (ISS) on Wednesday. The Cygnus cargo spacecraft ...