Alien life might flourish on an exotic kind of carbon dioxide, researchers say.
Thousands of years ago, a wildcat first started lingering on the outskirts of a human camp, perhaps to eat the mice living in people's granaries.
VANCOUVER, British Columbia Neanderthals disappeared from Europe 40,000 years ago, about the same time as the region's biggest volcanic blast in the last 200,000 years.
The DNA from the 45,000-year-old bone of a man from Siberia is helping to pinpoint when modern humans and Neanderthals first interbred, researchers say
Towering rocks at the bottom of the ocean hold a surprising secret: Life
When dinosaurs evolved into birds, they had to adapt their arms into wings in order to take flight a process that altered their skeletal structure.
An ancient sloth weighing some 5 tons and sporting claws that extended a foot (0.3 meters) is helping to reveal how the slow, furry creatures ballooned in size long ago at a startlingly fast rate...
Joan Rivers once said Mick Jagger's lips are so big he could French-kiss a moose, and now the Rolling Stones frontman's lips have inspired the name of an ancient swamp creature that probably also...
Extinct squirrel-like creatures from China suggest the earliest mammals originated more than 200 million years ago, much earlier than often previously thought, researchers say
The Antarctic midge is a simple insect: no wings, a slender black body and an adult life span of not much more than a week