A newly discovered dinosaur, Iani smithi, named for the Roman god Janus, lived when Earth's warming climate forced huge changes in global dino populations.

Bones from an extinct relative of elephants offers a panoramic view of the state's prehistoric life, researchers say.

When confronted with a rival, male wooly mammoths experienced musth, a testosterone-driven episode of extreme aggression.

A new method monitors when deep sea methane deposits convert to gas and rise toward the seafloor in amounts that were previously too small to detect.

A newly discovered kind of sauropod dinosaur had a neck six times longer than a giraffe's, researchers say.

A new discovery challenges understanding of how quickly life recovered from the greatest mass extinction in Earth's history.

Matt Friedman wasn't looking for a brain when he scanned a 319 million-year-old fossilized fish skull, but that's just what he found.

New fossils provide a glimpse into dinosaur and bird diversity in Patagonia during the Late Cretaceous, researchers report.

Satellite data can reveal large individual fossils from the air, allowing researchers to embark on more targeted searches on the ground.

The discovery of a dinosaur fossil included a rare find: evidence of the last meal it ever ate.