So far, the answer is no. Scientists have not verified an alien organism, spacecraft, manufactured extraterrestrial object or biological sample on Earth. NASA says it has found no credible evidence of ...

Could ancient alien technology be hiding on the Moon? Scientists propose searching lunar dust for microscopic traces of distant civilizations.

Aliens may make their big announcement that they are real in just weeks, scientists claim. They say they are seeing "increasing evidence" that little green men are already on planet Earth and living ...