Scientists uncovered a "Lost City" deep underwater in the Atlantic Ocean that could prove the existence of extraterrestrial ...

And not just on our own planet. "And maybe Mars in the past." Unlike underwater volcanic vents called black smokers, which ...

This is the Lost City. Discovered by scientists in 2000, more than 700 meters (2,300 feet) beneath the surface, the Lost City Hydrothermal Field is the longest-lived venting environment known in the ...