Modern Nautilus and Allonautilus species inhabit deeper waters than their extinct ancestors did over 500 million years ago.

Researchers have discovered the oldest known example of a predator-prey “arms race,” based on their study of ancient fossils. This ancient predator-prey relationship took place 517 million years ago ...

At first, the day looks like a classic fossil beach hunt: rough waves, shell layers, cliff falls, and the hope of finding a shark tooth. Then a small fragment changes everything. They identify it as ...

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At the end of the Paleocene and beginning of the Eocene epochs, between 59 to 51 million years ago, Earth experienced dramatic warming periods, both gradual periods stretching millions of years and ...

Add Yahoo as a preferred source to see more of our stories on Google. A construction project at San Pedro High School in Los Angeles revealed nearly 9-million-year-old sea creature fossils buried ...