Methane gas on Mars could mean signs of life

Methane gas on Mars could mean signs of life
(Image credit: NASA/JPL-Caltech)

Martian hunters, rejoice: NASA's Curiosity Rover just found evidence of methane gas on Mars. That means there's hope for life up there yet.

Last year NASA's Curiosity Rover found no evidence of methane gas on Mars, leading scientists to conclude the planet couldn't sustain life. They reversed that conclusion Tuesday.

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Julie Kliegman

Julie Kliegman is a freelance writer based in New York. Her work has appeared in BuzzFeed, Vox, Mental Floss, Paste, the Tampa Bay Times and PolitiFact. Her cats can do somersaults.