Researchers announced over 70 new species in a single year, including bizarre insects, ancient dinosaurs, rare mammals, and ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

Dinosaurs were once assumed to have been ectothermic, or cold-blooded, an idea that makes sense given that they were reptiles. While scientists had previously discovered evidence of dinosaur species ...

Modern birds, including chickens, are the closest living relatives of dinosaurs, having evolved from a group of theropod dinosaurs. Fossil and molecular evidence, such as feathered dinosaur remains ...

Where they lived: Dinosaur fossils have been found on every continent, including Antarctica. What they ate: Some ate plants, while others ate animals, including other dinosaurs. How big they were: The ...