The canyon is anywhere from 800 to 1,200 feet deep and features multiple falls that cascade down the Yellowstone River, including the 109-foot Upper Falls and the 308-foot Lower Falls, pouring out ...

The canyon is anywhere from 800 to 1,200 feet deep and features multiple falls that cascade down the Yellowstone River, including the 109-foot Upper Falls and the 308-foot Lower Falls, pouring out ...

"Very hard and sharp," he said, describing the scales. "Almost impossible to penetrate the fish's skin with these covering it." In response to Tunnell's findings, Facebook users voiced their shock.

Scientists have traced the evolutionary origin of humans' outer ears to the gills of ancient fish through a series of gene-editing experiments. When you purchase through links on our site ...

A partial skull of an ancient fish was found in the New Mexico desert, officials said. Getty Images/iStockphoto A “demon-toothed” sea creature with “large, well-spaced fangs” has been ...

Melting ice at Yellowstone has revealed the fossilized remains of Whitebark pine trees that formed a part of a larger ancient forest. Credits: Walter Siegmund, CC BY-SA 3.0, via Wikimedia Commons.

may have first arisen in ancient marine invertebrates. "This work provides a new chapter to the evolution of the mammalian ear," said Crump. "While the middle ear arose from fish jawbones ...

Research links human outer ears to cartilage in fish gills. Gene-editing experiments confirm evolutionary connection. Findings date back to marine invertebrates 400 million years ago.

A fascinating new study reveals that the mammalian outer ear has its evolutionary roots in the gills of ancient fish. This surprising discovery sheds light on how structures can adapt over millions of ...