Partial skull of Columbian mammoth found in Oklahoma

Hot Days Can Trigger Yosemite Rockfalls

USGS: Risk of 2016 quake increases, especially in Oklahoma

Volcano Erupts in Southwest Alaska; Sends Ash 20,000 Feet

Scientists call for new strategy to study climate change impacts on...

Ancient super-eruptions in Yellowstone Hotspot track ‘significantly larger’ than expected

Australopithecus fossils found east of the Great Rift Valley

Palaeontologist helps to rebuild giant prehistoric sea creature

The first 3-D atlas of the extinct dodo

Land bridges linking ancient India, Eurasia were ‘freeways’ for biodiversity exchange

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