NASA launched the Mars Science Laboratory probe, which carried the Curiosity Rover to Mars.
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The famous Face on Mars photo is taken.
NASA's Ingenuity helicopter took off for its 72nd and final flight on Mars.
NASA launched its Mariner 7 space probe from Cape Canaveral atop an Atlas-Centaur rocket.
NASA's Mars Odyssey completed its 60,000th orbit around Mars.
Mars had a 'close encounter' with Earth at 34.8 million miles apart.