Every year, researchers and people out in nature capture some aspect of animal behavior that’s unusual or unexpected in some way, changing how we understand the natural world. Here are five such ...

Add Yahoo as a preferred source to see more of our stories on Google. A month of faithful guarding by bald eagle parents led to the hatching of a chick with a "promising start" in West Virginia. Then, ...

On Prince of Wales Island, Alaska, gray wolves are doing something unexpected: hunting sea otters. This surprising dietary shift appears to have notable implications for both ecosystems and wolf ...

WASHINGTON (Reuters) -The National Highway Traffic Safety Administration said on Friday it has closed a 14-month investigation into a series of minor collisions and unexpected behavior from Alphabet's ...

Cells have surface receptors that couple with proteins and other molecules to initiate or inhibit certain behaviors. Typically, the number of these receptors increases as the cell matures, but ...