A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

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

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

Investigating an area of interesting light rock seen from orbit, Curiosity found some particularly weird-looking structures.

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

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

'This one's exciting.' ...

Could alien life exist closer than we think? The Sky at Night team investigate.

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

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

Look to the west to catch Venus and Jupiter shining bright, with Saturn and Mars visible in the east for early risers, and ...

Every Fourth of July, there's one movie that I almost always end up watching, and that's Independence Day . I still remember ...