It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an ...

They do this by focusing on the unified chaos of fear and paranoia, human resilience, the power of hope, or some combination ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...

Add Yahoo as a preferred source to see more of our stories on Google. Termed "radical mundanity", a new paper takes a look at explanations for why there is a lack of evidence of technology-using ...