A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological self-destruction — and it therefore may not want to talk to us.

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

At the keynote panel at SXSW, Steven Spielberg revealed his beliefs that "we are not alone here on Earth right now." ...

A retired US Air Force launch officer claims UFOs disabled multiple nuclear missiles when they appeared around the Montana base where he was stationed decades ago. Robert Salas claims a mysterious ...