With the number of potentially habitable exoplanets in our galaxy alone estimated to be in the billions, many wonder why we are yet to see signs or hear from intelligent alien life. A pair of astrobiologists from the Australian National University (ANU) Research School of Earth Sciences hypothesize the reason may be that ET could be long dead. According to Aditya Chopra and Charley Lineweaver, conditions on young planets are so volatile that if life doesn't evolve fast enough to stabilize the environment, it will quickly become extinct.
.. Continue Reading Is ET dead – and are we next?Category: Space
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from Gizmag Emerging Technology Magazine http://ift.tt/1S4yRt4
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