Dan Blumstein was gently holding a yellow-bellied marmot pup, conducting research, when he first heard one scream. "I was sort of shocked by this scream and almost dropped this animal," he says. "I ...

For years, people assumed sharks were the silent type, but that’s not true, and they aren’t alone when it comes to creatures like sharks that make noises. Some of the world’s strangest creatures make ...

The sound of fear is universal. Screams of mammals have similarities — irregularities in the sound — that are meant to draw attention. OK. It's almost Halloween - that one day a year you are ...

As human-caused sound gets louder around the world, some animals change their behavior and many creatures suffer health issues Olivia Ferrari As human noise increases around the world, some animals ...