A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

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

A 26-ft (8-m) deep excavation in Indonesia has revealed that humans and a hominin species that pre-dates humans used the same ...

The legendary “Little Foot” fossil may be an entirely new human ancestor. An international team of scientists led by researchers from La Trobe University in Australia and the University of Cambridge ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

Why do humans have language and other animals apparently don't? It's one of the most enduring questions in the study of mind and communication. Across all cultures, humans use richly expressive ...