For thirsty sea snakes, the ocean can be a desert.
Shared child care may be the secret of human evolutionary success.
During the past 40 million years, three great lineages arose in the dog family.
What airplane designers could learn from the shape-changing wings of birds
Good thing for us it’s small, because this predator gives no quarter to its quarry.
Toxic hairs enable some caterpillars to venture forth in conspicuous processions.
Some trees succeed in life by offering giraffes a meal of flowers.
A butterfly larva’s fate depends on who finds it first—its ant friends or ant foes.
The surprising story of Old Bet, the first elephant ever to be brought to America