A newly reconstructed fossil face from Ethiopia reveals surprising complexity in early human evolution. By digitally fitting together teeth and fossilized bone fragments, researchers reconstructed a ...

Denisovans were an extinct human group identified almost entirely through DNA rather than complete skeletons. First discovered in Siberia, their genetic legacy is still present in populations across ...

For centuries, the migrations of massive herds of caribou defined the ecosystem and lifeways of people across the vast North ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

The findings could help ensure the imperiled seabirds safer passage from the northeastern United States to roost sites in ...