As soon as April 1, four people will embark on a journey that will take them farther from the Earth than anyone has ever ...

NASA is putting Mars back in the crosshairs with a first-of-its-kind nuclear mission it says will launch by the end of 2028.

The U.S. space agency will aim to send a nuclear-powered spacecraft to Mars—a first—in a bid to show that nuclear propulsion ...

A multimedia show with songs, readings and astronauts celebrates the centennial of Goddard's liquid-fuel rocket launch.

NASA is saying this all with a straight face and pretending this is serious work regarding safety, not merely something it ...

NASA’s repaired Artemis II moon rocket began a glacial 12-hour trip back to the launch pad early Friday at the Kennedy Space ...

NASA’s Space Launch System rocket and Orion spacecraft for the Artemis II mission arrived back at Launch Pad 39B on March 20, ...

Has the Ayatollah gone interstellar? That is something nobody expected to be asking at the end of last year. Yet after his ...

The Air Force Research Laboratory at Ohio’s Wright-Patterson Air Force Base and a defense systems contractor recently tested ...

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined ...

On a late January morning at a test range in the United States, a missile lifted off that its builders said broke from ...