For decades, scientists have scanned the skies, recording an array of radio waves and electromagnetic bursts from deep space. Most have natural explanations, like pulsars, colliding stars, or solar ...

For researchers seeking answers to the question of whether we are alone in the universe, one event nearly half a century ago lingers even today — the so-called "Wow! Signal" detected back in 1977.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...