In a small office north of London, Stephanie Pierce from the Royal Veterinary College is watching a movement that hasn’t been seen for 360 million years. On her computer, she has resurrected the ...

Ichthyostega was the first Devonian tetrapod to be subject to a whole-body reconstruction1,2,3. It remains, together with Acanthostega4, one of only two Devonian tetrapods for which near-complete ...

Palaeontology has gone high-tech: no more wax and plaster-cast models. Instead, 3D data from computed tomography (CT) scans is overturning long-held views of how the earliest land animals moved. One ...

DURHAM, N.C. -- New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to ...

The "four-legged fish" Ichthyostega is not the "missing link" between marine and land animals, but rather one of several short-lived "experiments". This is what scientists from Uppsala and Cambridge ...

One of Earth's earliest four-footed land animals couldn't walk, a new 3-D model suggests. Instead, the dog-size Ichthyostega likely flopped on land, using only two of its four stubby legs for ...

Ichthyostega hails from the Devonian period, a time in Earth’s history when swimming transformed into walking. Fish invaded the land and evolved into the first tetrapods—four-limbed animals that ...