Add Yahoo as a preferred source to see more of our stories on Google. Scientists probing the bottom of the Pacific Ocean made a surprising discovery: animals living underneath the seafloor in an area ...

Scientists uncover a previously unknown yak-like Ice Age mammal in Siberia's Denisova Cave using ancient DNA, revealing a ...

Nearly 40 researchers signed “The New York Declaration on Animal Consciousness,” which was first presented at a conference at New York University on Friday morning. It marks a pivotal moment, as a ...

A completely new order of marine sponges has been found by researchers at the Museum of Evolution, Uppsala University. The sponge order, named Vilesida, produces substances that could be used in drug ...

Humans and animals like the same sounds, new research reveals, proving Charles Darwin correct. The findings show that people showed preferences for calls that other species find the most attractive.

Experts aren't exactly sure why animals smile. Discover what we do know about animal facial expressions. Just because an animal appears to be smiling does not mean that it is actually happy.

In humans, male fertility and sperm fitness decline with age, but scientists have made the surprising discovery that this pattern is not consistent in other animals. The findings have been published ...