A new computer model suggests animals don't need to be fast or strong to lead their flocks, herds, or swarms, but only willing—or desperate—to break from their neighbors and go their own way.

A storehouse of 30 Egyptian mummies has been unearthed inside a 2,600-year-old tomb near Cairo, archaeologists have announced.

The ancient flood that some scientists say gave rise to the Noah story may not have been quite so biblical in proportion, a new study says.

Roughly 200,000-year-old hyena dung found in a South African cave has yielded hairs with a distinctly human-like pattern, researchers say.

An ancient creature with bulging eyes and a "great appendage" could be a missing link in the evolution of grasping claws, according to a new study.

Fossils from the world's biggest snake—a prehistoric giant that weighed more than a ton and was more than 42 feet (13 meters) long—have been found in a Colombian coal mine.

Fossil steroids show that sponges were thriving about a hundred million years before the evolutionary growth spurt known as the Cambrian explosion, a new study says.

"Longer than a city bus and heavier than a car," the 60-million-year-old giant snake would dwarf the biggest snakes of today, a new study says.

The 60-million-year-old reptile was also heavier than a car, say scientists who add that the fossil could shed light on climate change.

Forty-seven million years ago primitive whales gave birth on land, according to a new study of a pregnant whale fossil that sheds light on how these mysterious mammals moved from land to sea.

Long before "wimpy jawed" Homo sapiens took over the planet, our early predecessors had bites strong enough to split open walnuts, a new study says.

An "exciting" find in ancient pottery suggests chocolate had reached the U.S. far earlier than believed—and that some early Americans may have walked hundreds of miles for a fix.

Superior brainpower could be why birds survived the mass extinction event that wiped out the dinosaurs 65 million years ago, suggests a new study of fossil bird brains.

Fossil samples taken from the coast of New Zealand provide a 50-million-year-old weather record that may change they way scientists think about global warming predictions.

Newfound fossils from an 18-million-year-old tuatara relative cast doubt on a theory that New Zealand was underwater for millions of years.