More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

On a high plateau in northwestern Argentina, a cluster of turquoise lagoons has quietly rewritten what scientists thought they knew about the earliest stirrings of life. Hidden in one of the driest ...

Bill Nye let a packed crowd at the Orange Convention Center know that it’s not a good idea to send a human on a one-way trip ...

WASHINGTON, Jan 7 (Reuters) - Fossilized bones and teeth dating to 773,000 years ago unearthed in a Moroccan cave are providing a deeper understanding of the emergence of Homo sapiens in Africa, ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any animal to get preserved with exceptional detail in sandstones, which are ...

The way Sahelanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone is "beyond convincing" evidence this ape was bipedal. When you purchase ...

A fossil of Manipulonyx reshetovi, found in a Mongolian desert, shows how the dinosaur used its specialized claw to snatch eggs. By Jack Tamisiea Under the cover of darkness 67 million years ago, a ...

Whatever happened to the duck-billed dinosaur, it was a real pain in the butt. Many of the spines sitting atop the animal’s tail vertebrae had been fractured. The dinosaur, known as Olorotitan to ...

How and where does life originate in the universe? How can physical phenomena be measured with the highest precision? How is ...

Early, ancestral members of the human lineage may have left Africa earlier than widely thought, a new study of fossil teeth suggests. Scientists investigated fossils excavated from the medieval ...

Fossils unearthed in Morocco from a little-understood period of human evolution may help scientists resolve a long-standing mystery: Who came before us? Three jawbones, including one from a child, ...