Geological Period

The number of dinosaurs may have been stable before the asteroid impact, despite evidence that species were getting less diverse

An ichthyosaur was pregnant with twins when she died, a fossil from Cretaceous Chile reveals.

Learn more about the schoolyard dinosaur discovery, which found 200-million-year-old fossilized footprints on a boulder from Australia's Early Jurassic period hiding in plain sight.

The End-Permian mass extinction killed an estimated 80% of life on Earth, but new research suggests that plants might have done okay.

Learn more about the newly found fossils that show plant resilience during the "Great Dying."

Bulbous temnospondyls looked like a cross between a crocodile and a salamander.

Learn more about how this rare find gives researchers a glimpse at the predator-prey relationship these prehistoric creatures had.

Paleontologists document a rare occurrence of a bite mark to the neck vertebra of a juvenile fossil specimen of a giant azhdarchid pterosaur from the Cretaceous of Alberta, Canada, around 76 million years ago.

Learn about the discovery of Tyrannosaur fossils in the southern coast of England, showing that the dinosaurs lived in the region 135 million years ago.

Learn more about some of the most unique dinosaurs, prehistoric reptiles, and flying reptiles discovered in 2024.

Learn more about this prehistoric long-necked marine reptile and what other creatures it shared the seas with.

Paleontologists from Sweden and Poland have examined hundreds of fossilized samples of feces and vomit from the Polish Basin in central Europe to reconstruct the rise of the dinosaurs to become the dominant players in Earth's ancient ecosystems.

In the Age of Dinosaurs, survival often came down to endurance rather than speed. Find out who the fastest dinosaurs would have been.

Volcanic calamity? Think again.

The symbiotic relationship between corals and their photosynthetic algal partners (photosymbionts) goes back at least to the Devonian (385 million years ago), according to new research.

Paleontologists have found a fossilized jaw fragment and three isolated teeth from a new, relatively large (by Late Cretaceous standards) metatherian species in the layers of the Williams Fork Formation in northwestern Colorado, the United States.

Named Alasemenia tria, the new specimen from the Wutong Formation in the Chinese province of Anhui dates back to the Famennian stage of the the Late Devonian epoch, making it the second-earliest known winged seed.

Coelacanths are deep-sea fish that live off the coasts of southern Africa and Indonesia and can reach up to two meters in length. For a long time, scientists believed they were extinct.

Sasayamagnomus measured barely three-feet-long.

Paleontologists have added another species to the Cretaceous-period dinosaur fauna of Europe, and this one was found in Normandy, France.