The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

The makers of the blockbusting sci-fi thriller reveal how they made a hit, why Kevin Spacey was almost involved and what went wrong with the sequel ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

Elon Musk has repeatedly said on record that neither he nor anyone at his company, SpaceX, has been provided any evidence that extraterrestrial life exists. However, journalist Ross Coulthart remains ...

NASA's Mars Reconnaissance Orbiter took this photo as Perseverance crossed the 42-kilometer finish line—or is it a starting ...

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

In 1947, pilot Kenneth Arnold's report of strange objects over Mount Rainier and a fateful media misquote created the 'flying ...

Author Robert Dresner announces the release of The Astral Imperative, a thought-provoking science fiction series that explores the dynamics of human evolution, the uncanny impact of AI, and the outer ...

From Star City to Rebecca Ferguson's Silo, here are all the sci-fi shows on Apple TV ranked from worst to best.