An ancient, armored worm may be the key to unraveling the evolutionary history of a diverse collection of marine invertebrates. Discovered in China, a roughly 520-million-year-old fossil of the newly ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Is evolution a gradual process or a punctuated one, ...

Two University researchers have uncovered a biological mechanism in worms that has shed light on evolution and could someday help tame cancerous cell development in humans. Biology professor Bruce ...

One of Earth's most consequential bursts of biodiversity -- a 30-million-year period of explosive evolutionary changes spawning innumerable new species -- may have the most modest of creatures to ...

Jack has a degree in Medical Genetics from the University of Leicester.View full profile Jack has a degree in Medical Genetics from the University of Leicester. The fossilized brain of a ...

Ancient fossils have shed new light on a type of sea worm linking it to the time of an evolutionary explosion that gave rise to modern animal life. Researchers at Durham University, UK, and Northwest ...

Here a butt, there a butt; everywhere a butt butt. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. How many butts is too many? One is usually ...

Scientists have discovered the tracks of a worm-like animal that lived and died around 550 million years ago—a key point in the evolution of life on Earth. The creature, which has been named Yilingia ...

More than half a billion years ago, an ancient worm squirmed. Trails were created. And animal mobility was born. That’s the conclusion of researchers at Virginia Tech, who discovered the fossilized ...

Experiments that showed a surprising persistence of sexiness in worms reveal how much we are still learning about the rules governing heritability, epigenetics and natural selection. Playing the ...