NASA's Perseverance rover may have uncovered the strongest evidence of ancient life ever found on Mars. Deep inside a ...

A photograph taken by NASA's Spirit rover nearly two decades ago has resurfaced online, reigniting claims that it shows a ...

NASA’s Curiosity rover has once again found itself at the center of an extraordinary alien theory after a resurfaced image ...

Is artificial intelligence flight ready?

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

Did a flying saucer just land at NASA? It sure looks like it.

NASA's relationship with UFOs has evolved alongside broader changes in public and government interest in unexplained sightings.

Jared Isaacman says NASA has captured imagery of unknown objects it cannot explain, as Trump pushes broader UAP declassification efforts forward.

A NASA Curiosity rover image has sparked debate after a UFO hunter claimed it shows an alien missile, though NASA attributes ...

Michael Gold previously served as NASA’s associate administrator for space policy and partnerships.