When you and I take a deep breath, we pull air into our lungs. That’s because humans are mammals. But fish aren’t mammals. They usually don’t breathe air. They usually don’t have lungs. That’s what I ...

How did ancient fish perceive their environment in the deep sea? An international team led by scientists from the Natural ...

Have you ever seen a diving beetle? They’re one of my favorite animals. They live underwater and breathe air from a bubble attached to their butts. I talked about all the ways animals breathe ...

Learn how fossils and high-resolution imaging revealed that some Triassic fish may have used a lung-like organ to detect ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. ‘Lungfish’ would have been a common sight in the Devonian ...

Sharks are among the best swimmers on the planet, but new research suggests that even they sometimes "hold their breath" while diving deep underwater. The reason is that sharks are ectothermic, or ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Blanding's turtles can ...

Research shows some hammerhead sharks hold their breath when diving deep under water. They do it to keep their bodies from getting too cold. (Story aired on All Things Considered on May 11, 2023.) ...