WASHINGTON (Reuters) -Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus ...

Plant-eating dinosaurs of different species may have herded together to escape meat eaters, according to an analysis of 163-million-year-old dinosaur footprints on a muddy coastal plain in England. In ...

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Dinosaurs took 30 million years to become dominant Other animals initially ruled the Triassic landscape Feces fossils show some herbivores ingested charcoal New research that relied heavily on ...