Green Matters on MSN

NASA's Curiosity rover snaps a stunning Mars sunset — and it looks surprisingly familiar

NASA's Curiosity rover has yet again sent back spectacular photos of a sunset on Mars, but this time it looks surprisingly ...
Smithsonian Magazine on MSN

Rockhopper penguins' athleticism makes them the daredevils of the animal world. Will a warming climate slow them down?

On a rocky ledge over the coast of an island in the far south Atlantic Ocean, a young penguin peers nervously at the chasm ...