Animals

Fossils show exceptionally rare evidence of a cloacal vent—the slit that most vertebrates use to excrete, have sex and lay egg—which could shed light on the evolution of the orifice

Punch, a monkey that went viral after he was abandoned by his mother in a Japanese zoo, is reminiscent of a foundational attachment theory experiment

The release of 158 specially bred Floreana giant tortoises is a win for both the animal and its long-lost island ecosystem

A 17-year-old’s breakthrough AI may finally give wildlife rangers the real-time edge they need to stop poachers

These caterpillars rely on ants to tend them, and they use a surprisingly complex sense of rhythm to make it happen

A urinalysis shows that these apes ingest significant amounts of alcohol, providing new clues to how alcohol influences the animals’ behavior

The distinctive sound horses produce when they whinny is created by combining low- and high-pitched sounds together, like grunting and whistling at the same time

A recent study found an unexpected benefit of female caribou antlers: they can function like a vitamin for deer that have just given birth

Researchers have rediscovered a 77-year-old recording of a haunting song that now has been determined to have come from a humpback whale

Researchers sequenced the genomes of tumors from almost 500 domestic cats and found remarkable parallels with human and dog cancers

Scientists have captured footage of a sleeper shark farther south than ever before, suggesting Antarctica’s Southern Ocean is not shark-free

New research on African striped mice found that the caregiving instinct may be rooted in a specific gene