Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is ...

Evidence suggests ancient hunter-gatherers performed the first ever African cremation of a female sometime around 9,500 years ago.

(CNN) — In a long-sought first, researchers have sequenced the entire genome of an ancient Egyptian person, revealing unprecedented insight about the ancestry of a man who lived during the time when ...