It lasted a long time, nearly 80 million years, making it the longest geological period of the Phanerozoic Eon, which began some 539 million years ago. The Cretaceous is split into two smaller time ...

The new research is the first to look back at early mammals in full color. Using advanced fossil imaging methods and a thorough examination of the pigment-producing cells present in living mammals, ...

In the vast and mysterious depths of prehistoric oceans, colossal creatures once ruled the waters. These marine giants, such ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction ...

About 131 million years ago, an 11-foot-long ichthyosaur slammed snout first into the seafloor and was rapidly buried by ...

Biodiversity was booming in the early Cretaceous Period, and not just among dinosaurs. The oceans also teemed with life, including some monstrous predators unlike anything alive today. In a new ...

Deep-sea fish adapt to some of the most extreme conditions on Earth. New research analyzing their evolution finds the same ...

While many dinosaurs and pterosaurs flaunted flamboyant feathers, early mammals were a dull lot. A study of the fossilised fur of six mammals that lived during the Jurassic and Cretaceous periods ...

which lived in the Jehol Biota—in what is now the coastal province of Liaoning in northeast China—during the Early Cretaceous period. According to a news release from the ...

The fossils were found in a geological formation of the early Cretaceous Period (about 110 million years ago) in Tanbasasayama, Hyogo Prefecture, which forms part of the Sasayama Group.

The James Webb Space Telescope detects an ancient galaxy shedding light on the universe's early transitional period. Additionally, fossils in Mongolia introduce a unique dinosaur, Duonychus ...