NASA's Curiosity Rover Found Early Mars Was Habitable. But Did Aliens Really Live There?

The megaflood may have been the result of icy reservoirs melting down on the planet due to the heat of a meteoritic impact. This impact was so huge that the 'gigantic ripples' have left geological footprints on the Martian surface.

from Top Buzz News- News18.com https://ift.tt/2J1bWSm