Harvard University

How Earth was watered

Early Earth's accidental deluge via water-carrying comets has long been a stumbling block for those interested in life on other planets.

dateFeb 28, 2014 in Space Exploration
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New evidence on Neanderthal mixing

New research on a 45,000-year-old Siberian thighbone has narrowed the window of time when humans and Neanderthals interbred to between 50,000 and 60,000 years ago, and has shown that modern humans reached ...

dateOct 23, 2014 in Archaeology & Fossils
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