Add Yahoo as a preferred source to see more of our stories on Google. Animals that evolved in warm, tropical climes rarely decide to move to cold, snowy ones. Take any creature from the African ...

Scientists examining traces left behind by early humans continue to find evidence that refuses to stay neatly in place. New laboratory work on ancient hunting tools points to decisions made far ...

For decades, textbooks painted a dramatic picture of early humans as tool-using hunters who rose quickly to the top of the food chain. The tale was that Homo habilis, one of the earliest ...

A new study indicates that human behavior around 45,000 to 29,000 years ago contributed to a change in the composition of scavenging animal species living nearby. While smaller scavenging animals such ...