Experts Gather To Discuss Whether We Should Send Messages To Aliens

This coming weekend at the annual meeting of the American Association for the Advancement of Science, experts will be discussing the potential benefits and risks of a SETI scheme in which messages about Earth — including the entire contents of Wikipedia — would be transmitted to hundreds of star systems. » 2/09/15 8:40am 2/09/15 8:40am

Is It Time to Accept That We're Alone in the Universe?

We have yet to discover any signs of aliens, a troubling observation that has led to much speculation. One possible solution to the Great Silence is that nobody's out there. It's a conclusion that sounds impossible to believe, but there may be something to it. Here's why we may be alone in the universe. » 11/05/14 12:20pm 11/05/14 12:20pm

Meet SETI's new boss: Geoff Marcy, the planet hunter

Geoff Marcy has spent the better part of his career peering into the depths of space in the search for exoplanets and brown dwarfs. His pioneering work has resulted in the discovery of over 110 planets outside of our own solar system - including the first system of planets orbiting a distant star. But now, Marcy has… » 6/08/12 7:10am 6/08/12 7:10am