Q: What do we know about the environment in which the transition to land occurred? NS: Back in the Devonian, north central Pennsylvania was very different from today, where you now find a river valley ...

Here’s a breathtaking finding: Scientists say they’ve discovered an ancient vestigial lung in the coelacanth, a lobe-finned fish that’s related to the ancient swimmer that went on to evolve into all ...

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 ...

A research team led by Prof. HE Shunping from the Institute of Hydrobiology (IHB) of the Chinese Academy of Sciences has discovered through genome sequencing that the non-teleost ray-finned ...

A bizarre and ugly fish that has been around for hundreds of millions of years has been discovered to have the most DNA of any animal ever found. These South American lungfish (Lepidosiren paradoxa) ...

The genome of the coelacanth, an ancient-looking lobed-finned fish, has been sequenced and is already providing insight to the evolutionary changes that allowed the first four-limbed animals, called ...

A mass extinction of fish 360 million years ago hit the reset button on Earth’s life, setting the stage for modern vertebrate biodiversity. The mass extinction scrambled the species pool near the time ...

In a new study, researchers used high-resolution computed tomography to re-examine the most complete remains of Meemannia, and presented new details of the internal skeleton and one of the earliest ...

He’s half a foot long, 409 million years old and fierce as they come. Huge, squiggly teeth protrude from his lower lip, and powerful, muscle-bound fins allow him to sluice through the brackish water ...

Lobe-finned fishes are a group of bony fishes. It's the structure in their fins -- particularly what we call paired fins, two in the front and two in the back -- that makes them unique and separates ...