These Martian "kidney beans" aren't safe to eat: they're actually frozen sand dunes in Mars' northern hemisphere. A recently released photo by NASA's Mars Reconnaissance Orbiter (MRO) shows a top ...

And speaking of hidden water, weird bean-shaped blobs on Mars might offer new clues in our search for life on Mars. NASA satellites have spotted what appears to be a field of giant kidney beans on ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Frozen sand dunes sit locked in place in Mars' northern hemisphere, stuck until the spring ...