NASA may already possess evidence that ancient life existed on Mars, but how to retrieve that data remains another question.

In looking back and commemorating the 50th anniversary of the Viking missions to Mars, one is struck by the bold and audacious undertaking. Twin spacecraft missions — each consisting of a lander and ...

Add Yahoo as a preferred source to see more of our stories on Google. The astronauts at Sombra del Monte Elementary School have a plan to make it to Mars. The fifth graders built an inflatable habitat ...

A thin atmosphere and other factors have left Mars' soil in rough shape, but the quest continues for signs of life, even if it's extinct. NASA/JPL-Caltech/MSSS What if we aren’t alone in the universe?

A half-century after the Viking landers touched down on the Red Planet, the debate over whether they found signs of life continues. The tension was palpable at NASA’s Jet Propulsion Laboratory as ...

NASA's Perseverance rover’s discovery of widespread complex carbon on Mars adds fresh clues to the hunt for past life ...

Searching for past or present life on Mars is the sole driving force behind every mission we send to the red planet, from orbiters to landers to rovers. However, there remains a concern in the ...

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New research presented at the COSPAR space conference in Florence points to possible signs of ancient microbial life on Mars, based on mineral and organic matter found by NASA's Perseverance rover.