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.

A rather outlandish claim that an alien gun was spotted in a photo taken on Mars 12 years ago has drawn attention.

Results appear to contradict previous studies that claimed to have found traces of methane emanating from surface of planet ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

Nasa's latest Mars discovery brings us closer to finding alien life. Perseverance has found deep deposits of complex carbon ...

When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of expertS ...