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 ...

It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...