As a result, the evolutionary pressures that once favored the appendix have largely disappeared. Meanwhile, the medical risks of keeping the appendix – most notably appendicitis – remain. Modern ...

Research is shaking up how we think about evolution, suggesting there's a level of predictability influenced by genes and genetic history.

Pre-eclampsia is a life-threatening pregnancy complication that can strike suddenly, endangering both mother and child.

Scientists analyzed the urine of wild chimpanzees who'd feasted on fallen fruit to see how much alcohol they consumed from the fermented sugars.

When closely related species mate, their offspring sometimes survive but cannot reproduce. This pattern often affects males first, with hybrid males frequently failing to produce functional sperm even ...

Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological possibilities.