A New Do-It-Yourself SETI Project

The Allen Telescope Array is swallowing terabytes of celestial radio data in the ongoing hunt for alien signals from space. The SETI Institute is about to hand out the data to anyone with ideas for new ways to sift it.

Allen Telescope Array

Orbital Path 1: Must Be Aliens

Host Michelle Thaller talks with Bad Astronomy's Phil Plait about a conundrum: why are humans so quick to explain the unknowns of the cosmos as aliens? And why is this healthy imagination important in science?

SETI Searches Today

Several big hunts are seeking radio and laser emissions from other civilizations among the stars. From the Allen Telescope Array to SETI@home, here's a rundown of all recent and current searches.

The Future of SETI

Searches for extraterrestrial intelligence are about to expand into new realms, thanks to new advances in technology — and new thinking.