Siccar Point, photographed by the Curiosity rover, is near Mars' Gale Crater. NASA/JPL-Caltech/MSSS; Processing & License: Kevin M. Gill People from cultures across the world have been looking at Mars ...
People from cultures across the world have been looking at Mars since ancient times. Because it appears reddish, it has often been called the red planet. Your blood is also red because of a mixture of ...
In the rugged goldfields of southeastern Australia, a local prospector spent years trying to crack open a mysterious, rust-colored rock. He was convinced it held gold. The object was unusually heavy, ...
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