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Live Chat: The Search for Alien Life Within Our Solar System

See below for the chat box. Join us each Thursday at 3 p.m. EDT for a live conversation with leading scientists and expert reporters.
Today's Topic

With the recent discoveries of hundreds of planets outside our solar system, astronomers have begun thinking about life light-years from our sun. But alien life might reside much closer to home. Did Mars once harbor life—and might it still? Is something swimming in the ice-encased ocean of Jupiter's moon, Europa? And with mounting evidence for liquid water on Saturn's moon, Enceladus, might scientists have their best shot yet of spotting life beyond Earth?

Join us for a live chat with experts on these topics at 3 p.m. EDT on 9 June on this page. You can leave your questions in the comment box below before the chat starts.

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Today's Guests

Chris McKay

Andrew Steele

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