A groundbreaking study suggests that the famous Cambrian explosion—the dramatic burst of diverse animal life—might have actually started millions of years earlier than we thought. By analyzing ancient ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Paleontologists have revealed the fossilized remains of a curious ...

Find out more about Body Fossils and Trace Fossils. Fossils can be categorized in two basic types: body fossils and trace fossils. Body fossils help scientists learn what plants and animals looked ...

More than a million years ago, on a hot savanna teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. About 50 million ...

About 66 million years ago, just before the mass extinction that wiped out the dinosaurs, a fish chewed up and spit out some sea creatures. Unbeknownst to that fish, its rejected meal was preserved in ...

Today's Object of the Week is a mysterious drawing executed in an extraordinary medium — one harvested from ancient creatures ...