Fossil footprints discovered in Canada show that different dinosaur species sometimes herded together, shedding more light on social interaction among the prehistoric beasts. The footprints at the ...

About 150 million years ago, the land that is now the western United States was alive with dinosaurs. New research shows that ...

Did different species of plant-eating dinosaurs herd together for protection like many modern animals do? A set of 76-million-year-old tracks discovered in Canada might be the first evidence of this – ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of the last dinosaurs from southern North America features a long-necked Alamosaurus. - Natalia Jagielska A ...

Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...