Rusty Arctic rocks could help us understand water on Mars (photos)

Researchers in Canada's high Arctic are on a hunt for rusty rocks similar to those found on Mars. Their goal is to train researchers for future moon and Red Planet expeditions.

Rusty Arctic rocks could help us understand water on Mars (photos)
Researchers in Canada's high Arctic are on a hunt for rusty rocks similar to those found on Mars. Their goal is to train researchers for future moon and Red Planet expeditions.