People often consider evolution to be a process that occurs in nature in the background of human society. But evolution is ...

Depression feels weird compared to things like fear or anger, which help us survive by warning us of danger or pushing us ...

Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of ...

By using a genetic technique developed at UT Southwestern Medical Center that forces cells to rid themselves of mitochondria, ...

Humans lost their ability to synthesize their own vitamin C because our ancestors had access to plenty of fruit.

South Africa has one of the world's richest fossil records of hominins (humans and their fossil ancestors). But many ...