Scientists were baffled last year when studying images of the Martian surface taken at dawn by NASA’s Mars Odyssey orbiter. When they looked at the surface using visible light – the kind that the ...

Not much grows in the icy polar regions, but for the fern-like clusters of ice crystals called frost flowers this is the perfect environment, especially when it’s still and dry. Frost flowers bloom on ...

There's no phenomenon on Earth quite like it. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There are many mysteries on Mars, and scientists ...

On Jupiter’s moon Io, lava creeping beneath frost may give rise to fields of towering dunes. That finding, described April 19 in Nature Communications, suggests that dunes may be more common on other ...