NASA's James Webb Space Telescope is helping scientists make discoveries that could alter theories about the universe's ...

Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated.

Lawmakers stunned as footage shows Hellfire missile bouncing off unidentified aerial phenomena, with experts testifying no U.S. technology could survive such a strike.

Initially, the comet appeared red in all observations. However, recent images show it now glowing green. This color shift ...

To Avi Loeb, 3I/ATLAS' flyby of Mars is an exceedingly rare and exciting opportunity to directly observe it using NASA's MRO ...

A video presented at the latest Congressional hearing on UFOs appears to show a military drone attempt to shoot down an ...

"Being able to send something out there would enable us to take a lot more precise data than we currently can." ...