But there was one problem: the skull had been crushed and distorted over time. Its true shape had been hidden by pressure, age, and damage. Some features ...

New research shows that the earliest sponges were soft bodied and lacked skeletons, explaining why their oldest fossils are ...

The molecular clock theory posits that genetic changes happen steadily and gradually, offering a reliable means for peering into the past and theorizing when complex life first emerged. However, there ...

Dogs are humanity's best friend, and this is partially because we've bred them to better suit our preferences and needs. The Alaskan Malamute and Komondor, for example, were intentionally bred to ...

PAWS Chicago released a timeline of events as they work to notify and monitor people who may have been in contact with a dog that tested positive for rabies, the first case of the disease reported in ...

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The middle ear of mammals, with an eardrum and several small bones, allows us to ...

Who said it first, no one knows. But Frederick the Great, warrior ruler and enlightened despot of 18th-century Prussia, said it well. “The only, absolute and best friend a man has, in this selfish ...

Most pet dogs carry a little wolf inside them; tiny snippets of wolf DNA that slipped into dog genomes after domestication. A new study, published in Proceedings of the National Academy of Sciences, ...

Add Yahoo as a preferred source to see more of our stories on Google. For decades, scientists have studied animals living in or near the Chernobyl Nuclear Power Plant to see how increased levels of ...

New analysis of 11,000-year-old dog skulls is forcing scientists to redraw the timeline of how wolves became the animals that now sleep on our sofas. Instead of a slow, uniform shift from wolf to dog, ...