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Hope, Not Evidence, Drives Astrobiology

Earth-size exoplanets are not evidence for alien life. They are evidence for orbiting bodies.

Life from Sun Flares?

A NASA scientist proposes that a period of superflares on the early sun zapped life into existence on the earth.

Physical and Geological Hurdles on the Darwinian Race

Can the smooth big-bang-to-brain story of evolution jump the physical and geological hurdles along the way?

Doomed Worlds: Planets Seen Disrupting, Not Forming

Much as astrobiologists would like to see the birth of a new planet, the ones we observe seem to be dying, not being born.
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