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Pliocene

Cave stalactites and stalagmites. Credit: Santi Rodríguez / Adobe Stock

Ancient Cave Crystals Reveal Sea Levels Were 50 Feet Higher in Warmer Climate

Scientist studying ancient crystals in a Spanish cave have discovered disconcerting evidence that shows just how high sea levels can rise in a warmer climate. 4.4 million years ago, one of your...
Facial reconstruction of Australopithecus anamensis by John Gurche made possible through generous contribution by Susan and George Klein. Photograph by Matt Crow, courtesy of the Cleveland Museum of Natural History.

Australopithecus anamensis Skull Discovery: A ‘Game Changer’ in Human Evolution

Before the famed Australopithecus afarensis Lucy roamed the land of Ethiopia some 3.18 million years ago, one of her progenitors, an Australopithecus anamensis, met its demise in what is now the...
Nampa Image or figurine

The Nampa Figurine: 2-million-year-old Relic or Just a Hoax?

In 1889, a group of workers was searching for water near the town of Nampa in southwestern Idaho. To create a well, they drilled a borehole down about 295 feet (90 meters), at which point their steam...