A team of scientists, including researchers at Penn State, is using diffusion — the same artificial intelligence technique ...

Reconstruction of the extinct Herugavialis cairensis with the Great Sphinx and pyramids depicted in the background. Artwork by Karim Zanaty. A new species of extinct crocodile from Egypt has been ...

DNA analyses of ancient remains have revealed a previously unknown extinct bovine species that inhabited southern Siberia during and even before the last Ice Age. The extinct species was related to ...

Stroke rates among adults ages 20 to 54 nearly doubled over a 27-year period in a large U.S. population study. The increase was driven primarily by ischemic strokes, the most common type of stroke.