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

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

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

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

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