Mosquitoes may have started targeting humans millions of years ago, possibly during the spread of Homo erectus in Southeast Asia.

Team redates prehistoric ‘Ubeidiya in Jordan Valley to same age as oldest Georgian site, suggesting at least two distinct groups of human ancestors left Africa at roughly the same time The post New ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.

A scientist wants to drug a piece of space rock to see if the universe has a mind of its own. Really.

Ants trapped in amber reveal possible partnerships and parasites, offering a rare glimpse into ecosystems from nearly 100 ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key oxygen-processing enzyme back hundreds of millions of years before the Great ...

Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

The evidence shows that the ‘Ubeidiya site is at least one million nine hundred thousand years old. This finding represents a ...