Animals

City-dwelling raccoons seem to be evolving a shorter snout—a telltale feature of our pets and other domesticated animals

A surprising diversity of dog shapes and sizes evolved long before the Victorians began making modern breeds

This finding is the first documented case of colonial behavior between two solitary species of spider

The latest report shows that the estimated number of endangered vaquita porpoises has modestly increased

An orca pod has been spotted for the first time repeatedly targeting and flipping young great white sharks onto their backs to paralyze and dismember them

Are we the only rational thinkers? New research on our primate cousins suggests otherwise

Female Aedes mosquitoes signal that copulation can proceed by subtly extending their genitalia

Researchers simulated the effects that different web decorations had on vibrations, adding fresh insight to a decades-old debate about the function of these structures

Cliff-rappelling scientists uncovered a crossbow bolt, part of a slingshot and 25 shoes in ancient vulture nesting sites

For microscopic worms, physical laws we seldom notice take on life-or-death importance

Australian “sleepy” lizards are not so sleepy when it comes to fire

A new WHO report warns of rising antimicrobial resistance, and researchers uncover satellite data leaks and insect surprises.