Planet: Red

Here are some of the most mind-blowing facts about our potential future home:

: Mars is home to Olympus Mons , the tallest volcano in the solar system. At roughly 17 miles high, it is three times taller than Mount Everest and about the size of the state of Arizona. Red Planet

Whether it's the search for ancient microbial life or the dream of building the first Martian city , Mars continues to be our greatest cosmic frontier. Here are some of the most mind-blowing facts