When will we know we have found extraterrestrial life?

(Phys.org)—As we become more advanced in astronomy, continuously searching and finding lots of potentially habitable extrasolar planets that could harbor alien life, it seems that it's not a matter of if but when we will ...

Could 2012 be the year we find extraterrestrial life?

Last year came to an exciting end with the discovery of an Earth-like planet, Kepler-22b, orbiting a sun-like star outside of our solar system. It was found by NASA’s Kepler mission and is the first planet detected orbiting ...

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