Some studies indicate children with pets may be less likely to have allergies. But the evidence can be tricky to interpret.

Linguists say this joyful weirdness isn’t random—it’s rooted in how humans build bonds, play with sound, and treat animals ...

South Africa has one of the world's richest fossil records of hominins (humans and their fossil ancestors). But many ...

Water and air pose completely different challenges to animals on a number of levels.