Some fossils of long-extinct sea creatures display brilliant rainbow colors. Known as ammolite, these gems come from the fossilized shells of ammonites, squid-like marine animals that vanished with ...

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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 ...

Ammolite is a rare kind of gemstone, valued for its vibrant iridescent colors, which shift rapidly between red, green, and blue hues. The most famous specimens come from the curled shells of ammonites ...

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 ...

A fish fossil from millions of years ago was discovered at the Samaria Gorge on Crete, Greece's largest island.

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 ...

In a warmer climate, summers warm much faster than winters, according to research into fossil shells. With this knowledge we can better map the consequences of current global warming in the North Sea ...

Rhode Island beaches offer a variety of finds for beachcombers, including sea glass, shells, rocks, and even fossils. Popular spots include Sachuest Point for rocks and shells, Barrington Town Beach ...