A new study tracing the evolution of same-sex sexual behavior in mammals, using phylogenetic analyses, suggests these behaviors may have evolved in part to strengthen social bonding and relationships.

A new study evaluating the conservation status of 71,000 animal species has shown a huge disparity between “winners” and “losers.” Globally, 48% of species are decreasing, 49% remain stable, and just ...

A polar bear rests in a field on Barter Island in 2016. Polar bears in the Southern Beaufort Sea population are spending more time on land as sea ice diminishes, and studies indicate that they are ...

Researchers from the School of Animal, Plant and Environmental Sciences (APES) have contributed significantly to a major ...

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

UChicago paleontologists use CT scanning and simulations to show how a 250-million-year-old mammal predecessor could hear ...

The 550-million-year-old fossil Tribrachidium heraldicum is one of the most enigmatic critters from the Ediacaran. With its circular, three-lobe form, it doesn't resemble any modern organism. The ...

Burmese and Birman cats have the longest average life expectancies among common pet cat breeds, according to a new study. Sphynx cats, meanwhile, die the youngest, on average. The study, published May ...

A recent study conducted by Yale School of the Environment researchers discovered that animals — particularly flightless mammals — are key players in the seed dispersal of trees in recovering tropical ...

Gathering vision data for hundreds of vertebrates and invertebrates, biologists have deepened scientists' understanding of animal vision, including the colors they see. The researchers determined that ...

A certain white rabbit and his legendary drive for punctuality aside, scientists don't really know much about animals' sense of time. How aware of time are they? Do they apply past experiences to ...