Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there ...

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.

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

Returning rescued slow lorises to the wild may sound like a conservation success, but a new study shows it can turn deadly.

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass, and disrupts ecological processes, thereby posing challenges for the ...

The ability to successfully engage in mass hunts may be what allowed ancient Homo Sapiens to thrive.

Scientists with the University of South Florida want to learn more about how the coronavirus spreads between humans and wildlife. They’re involved in a national study funded by the U.S. Department of ...

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 ...

During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human animal species. This included many wild animal species as well as domestic ...

In the largest study of its kind, scientists have accurately documented the massive change in animal morphology over the last 1,000 years, with domesticated animals growing larger across the board and ...

Our analysis showed that temporal perception has even greater variation than scientists may have realised. Our perceptual ...