The remains of the oldest gorgonopsian ever discovered unveil the secrets of a formidable predator, at the crossroads between reptiles and mammals. 270 million years ago, Majorca was not an island ...

T he oldest known ancestor of mammals lived at least 270 million years ago in what is now Mallorca. About one meter long, it was a predator with sharp fangs and a appearance not very different ...

And it’s also home to the oldest known remains of a gorgonopsian, an important ancestor of modern mammals — a fact that could change our understanding of their migration and evolutionary history.

Researchers have found a fossilized ancestor of modern seals and sea lions that they say represents an evolutionary step in the organisms' transition from land-dwelling mammals to the aquatic ...

The animal lacks all scales. This material relates to a paper that appeared in the June 24, 2016, issue of Science Advances, published by AAAS. The paper, by N. Di-Poï at University of Geneva in ...

But despite their differences now, all mammals stemmed from one common ancestor, with the earliest mammal fossils currently thought to date to between 220 and 165 million years ago. Watch as senior ...

Early ancestors of the ocean's biggest animals once walked on land. Follow their extraordinary journey from shore to sea. Although whales are expert swimmers and perfectly adapted to life underwater, ...