British startup Pulsar Fusion has unveiled Sunbird, a space rocket concept designed to meet spacecraft in orbit, attach to ...

An artist's conception shows the Supernova spacecraft in orbit. (Portal Space Systems Illustration) Bothell, Wash.-based ...

A brand new NASA space observatory, SPHEREx, has taken its first test images a few weeks after its launch on March 11, and ...

A U.K. space tech company has revealed a secret project that could change how humans travel between planets. After ten years ...

A NASA space telescope on a mission to map millions of galaxies has turned on its detectors for the first time, capturing ...

NASA said that an asteroid previously believed to be destined for Earth is now more likely to make impact with the moon.

Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are skeptical.

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

How can Uranus be used to indirectly study its moons and identify if they possess subsurface oceans? This is what a recent ...

Read about the new fuel coating technique being developed by ORNL to shield nuclear thermal propulsion system components from ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

NASA astronauts Butch Wilmore and Sunita Williams, who were stuck in space for more than nine months, took questions after ...