In 2000, researchers thought they found the oldest fossil octopus, which lived over 300 million years ago. But it may just be ...

The year 2000 was, in so many ways, momentous. It was a new millennium, which always come with a doomsday prophecy or two; we ...

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

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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 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 ...