The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

IS this evidence of first contact? UFO aficionados are in a spin after NASA appeared to suggest ancient rock art was planted by aliens. The NASA e-book titled Archaeology, Anthroology, and ...

Messages sent into space to tell extraterrestrials about the nature of humankind should be updated to reflect gender equality and the diversity of life on Earth, scientists say. At a conference in ...