An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a separate species may finally be settled.
Researchers have counted 16,600 fossilized dinosaur footprints and 1,378 swim tracks at a site in Bolivia that showcase a variety of behaviors and different theropods from the Cretaceous period.
From a teenage tyrannosaur's last meal to a fossilized voice box and a cliff covered in footprints, here are the 10 best dinosaur fossils unearthed this year.
CBS News: "Punk rocker" dinosaur was covered in long spikes and armor, newly discovered fossils show
"Punk rocker" dinosaur was covered in long spikes and armor, newly discovered fossils show
When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...
A specimen discovered in Mongolia is the most complete fossil yet found of a pachycephalosaur, a dinosaur believed to be built for head-butting. The skull of Zavacephale rinpoche, a pachycephalosaur ...
A fossil of Manipulonyx reshetovi, found in a Mongolian desert, shows how the dinosaur used its specialized claw to snatch eggs. By Jack Tamisiea Under the cover of darkness 67 million years ago, a ...
At a remote and barren Sahara desert site in Niger, scientists have unearthed fossils of a new species of Spinosaurus, among the biggest of the meat-eating dinosaurs, notable for its large ...