Digging into the molecules of fossilized dinosaur eggshells

Dinosaurs roamed the Earth more than 65 million years ago, and paleontologists and amateur fossil hunters are still unearthing traces of them today. The minerals in fossilized eggs and shell fragments provide snapshots into ...

Dinosaurs lived in greenhouse climate with hot summers

Paleoclimatologist Niels de Winter and colleagues developed an innovative way to use the clumped isotope method to reconstruct climate in the geological past on the seasonal scale. They show that dinosaurs had to deal with ...

Ankle and foot evolution gave mammals a leg up

The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive after the extinction of the dinosaurs, a study suggests.

Temperature explains why aquatic life more diverse near equator

The bulging, equator-belted midsection of Earth currently teems with a greater diversity of life than anywhere else—a biodiversity that generally wanes when moving from the tropics to the mid-latitudes and the mid-latitudes ...

New species of pelomedusoid turtle found in Madagascar

A team of researchers from Universität Freiburg, the Denver Museum of Nature & Science, Université d'Antananarivo and Stony Brook University has discovered a new species of pelomedusoid turtle in Madagascar. In their paper ...

Bringing up baby: A crocodile's changing niche

Relatives of the giant crocodile might have been kings of the waterways during the Cretaceous period, eating anything—including dinosaurs—that got a little too close to the water's edge, but the largest of these apex ...

New duckbilled dinosaur discovered in Japan

An international team of paleontologists has identified a new genus and species of hadrosaur or duck-billed dinosaur, Yamatosaurus izanagii, on one of Japan's southern islands.

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