11 of the Weirdest Solutions to the Fermi Paradox

Most people take it for granted that we have yet to make contact with an extraterrestrial civilization. Trouble is, the numbers don’t add up. Our Galaxy is so old that every corner of it should have been visited many, many times over by now. No theory to date has satisfactorily explained away this Great Silence, so… » 3/20/13 10:01am 3/20/13 10:01am

One of the best places to search for alien life is the last that you'd…

In death, it has been said, there is often life. And while it may sound counterintuitive, this old saw may hold especially true in the search for life of the extraterrestrial variety. NASA's Kepler mission may be just years away from discovering Earth 2.0, but the first signs of life probably won't come from planets… » 3/01/13 11:00am 3/01/13 11:00am

Have we already received an alien signal from Earthlike planet Zarmina?

That's what one scientist is claiming, saying he detected a suspicious light pulse in the vicinity of Gliese 581g two years ago. But the rest of the astronomy community is blasting his claims, accusing him of making a mistake...or worse. » 10/11/10 5:00pm 10/11/10 5:00pm

Boiling-Hot Planet Has Building Blocks Of Life

Astronomers have detected organic compounds — but not life — on a planet outside our solar system for the first time. The Jupiter-sized HD189733b, 63 light years away, has methane as well as water vapor, despite its proximity to its sun and atmospheric temperatures of 700 degrees Celsius. There's no way a planet that… » 2/11/08 2:30pm 2/11/08 2:30pm