Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Cassini spacecraft captured this image of Enceladus on Nov. 30, 2010. The shadow of the body of Enceladus on the lower ...

Saturn's moon Enceladus could harbour alien life in oceans deep beneath its frozen surface, according to a new study. Scientists discovered that certain types of microorganisms can not only survive, ...

If ancient extraterrestrial explorers ever traipsed through Earth's cosmic neighborhood, it's possible they left behind some interstellar litter in their wake. Think of it like the loose hubcaps on ...