A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early dinosaur history.

Extraordinary fossil discoveries reveal an important link between plate tectonics and extreme evolutionary changes just like that of a well-preserved 'Devonian coelacanth' fish that was just ...

Scientists think they know where the missing pieces to the puzzle of the evolution of dinosaurs could be found.

A fossil is physical evidence of a prehistoric plant or animal ... Earth's surface is broken up into huge, irregularly shaped pieces - tectonic plates - that fit together like a jigsaw. These plates ...

Geology. The presence of oceans, continents and plate tectonics on Earth is most likely the reason there is no evidence for advanced extraterrestrial civilizations, according to new research by ...

now separated by thousands of miles and an ocean thanks to a geological process called plate tectonics. "When dinosaurs first appear in the fossil record, all the Earth's continents were part of ...

Researchers from Argentina's National Council for Scientific and Technical Research (CONICET) came up with penguin fossil indicators ... the movement of the tectonic plates by which the division ...

Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...