Dinosaurs may have buddied up with other species of dinosaur for safety reasons, say scientists after unexpectedly spotting tracks that suggest different kinds may have once walked side by side.

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 ...

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 – ...

When you hear the word "dinosaur," the first thing that might spring to mind is a hulking skeleton like Sue the T rex in ...

A team of paleontologists found matching dinosaur footprints on what are now two different continents, separated by thousands of miles of ocean. The footprints, dating back to the Early Cretaceous ...

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 ...

A newly discovered trove of fossilized footprints provides what may be the first evidence of prehistoric diversity in dinosaur herds, though not everyone is convinced. A herd of ceratopsians ...

Some 150 million years ago sauropods dramatically shaped the dinosaur ecosystem in what is now the western U.S., according to a new study ...