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.
Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.