The timing and intensity of the seasons shapes life all around us, including tool use by birds, the evolutionary diversification of giraffes, and the behaviour of our close primate relatives. Some ...

Here's something that'll make your next giggle session feel a bit weird: scientists genuinely can't figure out if your laughter evolved from joyful chimp panting or from the threatening bared-teeth ...

Fossil teeth reveal Gigantopithecus was doomed by a changing environment and an inflexible diet. By Jack Tamisiea Standing nearly as tall as a basketball hoop and weighing as much as a grizzly bear, ...