A Harvard scientist has suggested that our Solar System may be far more crowded with interstellar objects, chunks of rock or ice from other star systems, than anyone realized. Avi Loeb, who made ...

In a major contribution to our understanding of the evolution of human cognition, a bonobo (a.k.a. pygmy chimpanzee) has demonstrated the ability to create mental images of pretend scenarios. This ...

Lindsey Vonn underwent surgery "to stabilize a fracture reported in her left leg," officials at an Italian hospital said Sunday hours after the Olympian crashed hard during her run. Vonn powered ...