A UFO whistleblower has named a declassified report that he said shows the CIA's involvement with extraterrestrial technology ...

On Tuesday, NASA announced the crew for the Artemis III mission, which is scheduled to be flown no earlier than summer 2027.

MIT researchers have shown that one fuel can power both chemical and electric spacecraft thrusters, potentially transforming ...

Instead of having separate fuel for chemical thrusters and electrical thrusters, a Massachusetts Institute of Technology (MIT ...

Commander Randy Bresnik and three others will attempt to dock with two different lunar landers in Earth orbit, paving the way ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to ...

Tom Mueller built the rocket engines that gave Elon Musk outer space. Now, he's racing to create a fleet of cabs for the ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

A new Keck Observatory study indicates that giant planets can spin faster than more massive brown dwarfs, revealing important ...