Evolution

It's become clear our ancestors not only had some serious hominid 'hanky panky' going on, but with it, a potential downside: the spread of sexually transmitted infections, or STIs.

Single-Celled Ancestors of Animals Were Prepared for the Evolutionary Leap
Study finds single-celled organisms regulate their cellular processes with many of the same tools as multicellular animals.

The first documented evidence of wild chimpanzee mothers teaching their offspring to use tools!

Have you ever wondered why our hands have exactly five fingers? Scientists have uncovered a part of this mystery, and their remarkable discovery is outlined in a new report.

A new study led by scientists at The Scripps Research Institute (TSRI) offers a twist on a popular theory for how life on Earth began about four billion years ago.

Ancient DNA Traces Evolutionary History of the Caribbean “Island Murderer”
Bones in ancient owl feces yield DNA of a notorious insect killer.