Add Yahoo as a preferred source to see more of our stories on Google. The fossil of the Cambrian Period marine arthropod Fuxianhuiid, with gut preserved, discovered in Hunan province in southern China ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers uncovered the internal body parts of Cambrian fauna, such as these bits of sternums from crustaceans. - Mussini et al.

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 ...

A stunning new discovery in the Grand Canyon is offering scientists an unprecedented glimpse into Earth’s earliest complex life. Exceptionally preserved Cambrian fossils, dating back over 500 million ...

Over 500 million years ago, a small marine creature swam through Cambrian waters. Its name: Mollisonia symmetrica. Long thought to be a distant relative of modern horseshoe crabs, new research now ...

A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

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 ...

Ancient rocks in Sweden are acting like a “rock clock,” helping scientists finally pin down when major Cambrian climate ...

A peculiar spiny fossil, once thought to represent one of the earliest mollusks, has now been conclusively reclassified by scientists from Durham University and Yunnan University as something entirely ...

(CNN) — Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna ...