Add Yahoo as a preferred source to see more of our stories on Google. We see a four-legged sea monster with a long body and tail and very sharp teeth with an open mouth. From the creepiest Cambrian ...

More than half a billion years ago, the Grand Canyon was not the arid landscape we know today but a shallow, tropical sea teeming with strange life. Now, scientists have uncovered a remarkable fossil ...

More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a ...

A spectacularly well-preserved sea monster that once prowled the oceans during the Cambrian Period has been unearthed in China. Subscribe to read this story ad-free Get unlimited access to ad-free ...

500 million years ago, the meter-long Anomalocaris roamed the Cambrian seas. Researchers once thought that Anomalocaris crushed trilobites with their teeth, but recent fossil analysis suggests ...

(Phys.org) -- The oceans teemed with life 600 million years ago, but the simple, soft-bodied creatures would have been hardly recognizable as the ancestors of nearly all animals on Earth today. Then ...

An event as simple as the world's first bite may have sparked an ancient "explosion" of life 500 million years ago that led to the rise of the broad groups of animals that are still alive today. A ...

A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs preserved in stunning detail. Reading time 3 minutes A newly described ...

A new filter-feeding giant that trolled the Cambrian seas has been unearthed in Greenland. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. The ...

The fossilized organisms of the Cambrian period some 500 million years ago are both alien and familiar. A few of them look a lot like the creatures around us today. But even some that don’t look at ...