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 ...

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 ...

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 ...

The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space mysteries of the year. After tracking a rare interstellar object near the Red ...