A team of NASA scientists declared that the Martian ALH 84001 meteorite might contain traces of alien life.
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Earth-like calcium-rich deposits were found on Mars by NASA's Curiosity Rover.
One of Mars' moons, 'Deimos,' was discovered by an American astronomer, Asaph Hall.
NASA's Curiosity rover landed on Mars' Aeolis Palus plain.
Mariner IX took two photos of Mars' north pole.
NASA's MAVEN space probe was launched from the Cape Canaveral Air Force Station.
