NASA just announced the curiosity rover may have discovered what wiped out ancient life on Mars. Today, we take a look at what NASA said about life on Mars, and where they've suggested it is on Mars.

NASA has said that if life exists on Mars, it will likely be hidden in underground caves. NASA have said that they will test this theory as they are sending a new rover to the red planet.

NASA's Jet Propulsion Laboratory research scientists have said that this idea is one that's been heavily discussed in recent years, and that they are excited to conduct tests to see if this theory holds up.

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