Fossilized dinosaur eggs discovered in Utah’s Cedar Mountain Formation have unveiled a previously unknown level of biodiversity in North America’s Cretaceous period, offering a glimpse into a world ...

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 ...

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 ...

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 – ...

Footprints of a multispecies herd of dinosaurs discovered in Canada demonstrate the social interaction between different dinosaur species 76 million years ago, according to findings in a new study ...

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 ...

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 ...

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 ...