A seven-million-year-old fossil may mark the moment our ancestors first stood up and walked.

The Moroccan fossils now provide tangible evidence from this mysterious transitional period. What makes these fossils particularly significant is the precision with which they can be dated. The ...

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

A new analysis of enigmatic skulls from the Republic of Georgia suggest that Homo erectus wasn't the only human species to ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

The way Sahaleanthropus tchadensis moved has long been debated. The discovery of a small bump on the front of the thigh bone ...

Ancient fossils from Moroccan caves, dated with rare precision, offer rare insight into early human evolution.

For anthropologists, there has long been a major mystery. Fossils from between 600,000 and 1 million years ago, when human ...

Charles Darwin worried that the fossil record looked strangely abrupt, with complex animals appearing in a geological instant ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...