A strange, gleaming rock on Mars has jolted planetary scientists out of their routines, not because it is large or dangerous, but because it appears to be wildly out of place. The object, sitting ...

At first glance, it was nothing more than a dusty, rust-colored Martian landscape littered with rocks. Then, among the rubble, something caught the eye - a small, shiny, cone-shaped object that looks ...

Add Yahoo as a preferred source to see more of our stories on Google. A small, cone-shaped object photographed on the surface of Mars has ignited a public dispute between a prominent Harvard ...

Add Yahoo as a preferred source to see more of our stories on Google. A Harvard astrophysicist and NASA are locked in a public disagreement over a small, shiny object photographed on the Martian ...