It's not uncommon to find meteorites on Earth that originated from Mars. Some examples are "Northwest Africa 7034" [1] and Allan Hills 84001 [2]. Allan Hills 8

It's not uncommon to find meteorites on Earth that originated from Mars. Some examples are "Northwest Africa 7034" [1] and Allan Hills 84001 [2]. Allan Hills 84001 famously caused some controversy in 1996 when scientist believed it contained evidence for life on Mars, which ended in an announcement from the President. In the end the consensus seems to be that there was no evidence for life. [1] https://en.wikipedia.org/wiki/Northwest_Africa_7034 https://en.wikipedia.org/wiki/Northwest_Africa_7034 [2] https://en.wikipedia.org/wiki/Allan_Hills_84001 https://en.wikipedia.org/wiki/Allan_Hills_84001