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

Well, as a matter of fact, I have often had close encounters with aliens, only I never bothered to mention it here. For this ...

The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little green men on the Red Planet ...

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

The planet Mars is home to many wonders waiting to be discovered by humans in the coming years. Experts recently discovered ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

Director Tim Burton's star-studded alien invasion spoof.

Scientists find huge ‘magma systems’ inside Mars - Findings suggest that more planets could be habitable than we thought, ...

The Exploration Rover for Navigating Extreme Sloped Terrain (ERNEST) test rover has been put through its paces with great ...

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

First of all, we don’t need that building to do that,” Maher said. “That’s in our hearts and minds. That already happened.” ...