Experiments suggest that metabolism could have begun spontaneously on our primordial planet—and that scientists may need to rethink how we define life.
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An experiment that uses snakes' chemical senses "could change people’s opinions of reptiles away from that of slow, dumb, dull, instinct machines," scientist says.
Buried during the Stone Age, this woman once roamed the forests of northern Sweden. Now archaeologists have reconstructed her face.
Learn about one of history’s most audacious mountaineering expeditions, as seen in the documentary ‘14 Peaks.’
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A photographer discovers a primordial paradise where he’s just part of the ecosystem.
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