News tagged with geologic evidence

Super-Earths have long-lasting oceans

For life as we know it to develop on other planets, those planets would need liquid water, or oceans. Geologic evidence suggests that Earth's oceans have existed for nearly the entire history of our world. But would that ...

dateJan 05, 2015 in Astronomy
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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 species, a ...

dateSep 10, 2014 in Environment
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Bringing water to the Sinai?

According to a new study co-authored by CAS researchers, the traces of an ancient watershed in the Sinai Desert may hold clues to making sustainable agriculture possible in one of the driest places on earth. Farouk El-Baz, ...

dateJun 13, 2013 in Earth Sciences
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