News tagged with extraterrestrial intelligence

City lights could reveal E.T. civilization

In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...

Nov 03, 2011
4.6 / 5 (29) 54 | with audio podcast

ET machines sought by astronomer

If we ever do receive a message from outer space, we’ll want to know what kind of aliens sent it. SETI researcher Seth Shostak says we shouldn’t expect them to be anything like us - in fact, they might ...

Oct 01, 2010
4.8 / 5 (18) 49 | with audio podcast

SETI Redux: Joining the Galactic Club

In this essay, David Schwartzman, a biogeochemist at Howard University in Washington D.C., explains why he thinks the aliens are out there, despite the fact that the search for extraterrestrial intelligence (S ...

May 24, 2010
3.8 / 5 (9) 22

The Eerie Silence

Why have we not made contact with aliens after so many years searching the depths of space? The Eerie Silence, a new book by SETI researcher Paul Davies, provides a fresh and thoughtful look at this question.

Apr 15, 2010
4.8 / 5 (36) 71 | with audio podcast

Widening the search for extraterrestrial intelligence

"The Search for Extraterrestrial Intelligence (SETI) has been dominated for its first half century by a hunt for unusual radio signals. But as he prepares for the publication of his new book The Eerie Silence: Are We Alone?," ...

Mar 01, 2010
4.3 / 5 (10) 1
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