Learn how a second pair of eyes helped this 518-million-year-old fish evade predators.

Learn more about Tyrannoroter heberti, a football-shaped land vertebrate who may have enjoyed snacking on plants.

Learn how boar populations in Fukushima’s evacuation zone are evolving rapidly after mating with abandoned domesticated pigs.

Learn how an ancient fish gene was repurposed to shape the anatomy of human hands.

Learn how a fever-related molecule activates emotional brain circuits, which intensify chills and drive warmth-seeking behavior during infection.