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 ...

The human hand is the product of hundreds of millions of years of evolution, beginning with lobe-finned fish in the Devonian period. Early species like Tiktaalik developed limb-like fins capable of ...

A 400 million-year-old fossilized fin from a strange-looking, primitive fish is shedding light on how fins evolved into limbs that enabled animals to walk on land. The fossil fin comes from a ...

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 ...

It brings a new meaning to the term fish fingers. Our fingers and toes really did evolve from the fins of ancient fish, a discovery that finally resolves a debate over when digits first appeared. All ...

An ancient Elpistostege fish fossil found in Miguasha, Canada, has revealed new insights into how the human hand evolved from fish fins. Paleontologists have revealed the fish specimen has yielded the ...

MOST people know the difference in shape that there is between the tail (caudal fin) of a salmon and that of a shark; how in the former the lobes of the fin seem to be equal or symmetrical (homocercal ...

Last week the world press took note of a fish hauled up off the coast of Zanzibar. (AP, Reuters). Why did they care? Because the animal was one of the most celebrated fish of the sea: it was a ...

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 ...

They were the ones that were developing structures in their fins that were beginning to look like limbs. Lobe-finned fishes are a group of bony fishes. It's the structure in their fins -- particularly ...