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 ...

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them can help us determine if there was ever enough water on Mars to sustain ...

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 ...

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 ...