In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% ...

In order to do so, the scientists created free-swimming robotic ammonites. Each one consisted of a 3D-printed polymer shell with a watertight inner chamber, inside of which were electronics including ...

Ammonites are among the most common marine fossils from the age of the dinosaurs, but no one has found one like this before. It shows one of the swimming marine molluscs without its distinctive spiral ...

Did ancient ammonites sink or swim? This X-ray image of a fossil is bringing their shells back to life to help tell us if they could move freely through water. We think that ammonites, which lived up ...