Morning Overview on MSN

Mars orbiter spots a butterfly-shaped crater on the Red Planet

Mars has a new showpiece for planetary scientists, and it looks uncannily like a butterfly frozen mid-flight. A fresh set of ...
Climate Compass on MSN

NASA's plan to deflect an asteroid: Can we really save Earth?

Picture this. You're sitting at breakfast, scrolling the news, when suddenly headlines scream that a space rock the size of a ...