News tagged with geologic evidence

Study ties groundwater to human evolution

Our ancient ancestors' ability to move around and find new sources of groundwater during extremely dry periods in Africa millions of years ago may have been key to their survival and the evolution of the human ...

Sep 10, 2014 4.8 / 5 (5) 2

Algeo tracks evidence of 'The Great Dying'

More than 251 million years ago, at the end of the Permian period, Earth almost became a lifeless planet. Around 90 percent of all living species disappeared then, in what scientists have called "The Great Dying."

Oct 28, 2010 4.9 / 5 (17) 0 | with audio podcast