Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in ...

Efforts to revive the thylacine and woolly mammoth are forcing conservationists to face a long-overdue debate over what kind ...

Unlike other endangered species whose survival depends on habitat preservation or broader landscape-level risk reduction, the ...

Analysis of Clovis stone points found among mammoth bones shows no evidence that the mammoth's were killed by hunters.