October 21, 2015 Oldest horned dinosaur in North America was the size of a crow Triceratops and other horned dinosaurs once thrived in North America, but paleontologists have long wondered how the group originally made it to the continent
October 21, 2015 Giant armored dinosaurs breathed through 'Krazy Straw' airways Carrying around an exoskeleton of bony armor is hard work.
October 21, 2015 Tyrannosaur 'gangs' terrorized ancient landscape Some 70 million years ago, three tyrannosaurs stalked together across a mud flat in Canada, possibly searching for prey.
October 21, 2015 112-million-year-old dinosaur 'chase' remade in 3D About 112 million years ago, a long-necked sauropod dinosaur traversed some intertidal flats near what is now Glen Rose, Texas. Coming after it perhaps hours or days later, or perhaps hot on its tail in a dinosaur chase scene, a meat-eating theropod followed, overlaying some of the sauropod's footprints with its own.
October 21, 2015 Scientists unveil 'chicken from hell' dinosaur that lived 66 million years ago It's called the chicken from hell: a birdlike dinosaur some 7 feet tall that weighed around 500 pounds when it roamed western North America on its long, slender hind legs.
October 21, 2015 Seattle construction workers unearth mammoth tusk, museum says A Seattle museum official says construction workers digging in the city's south Lake Union area have found a tusk from an ice age mammoth.
October 21, 2015 Pompeii-like eruption fossilized dinos in death poses A mass grave in a Chinese lakebed contains the extremely well-preserved fossils of dinosaurs, mammals and early birds, but the cause of the animals' death has long puzzled scientists
October 21, 2015 High school student finds bumpy-headed baby dino A dinosaur skeleton discovered by an eagle-eyed high-school student turns out to be the smallest, youngest and most complete duck-billed dinosaur of its kind ever found.
October 21, 2015 Dinosaurs sat on nests like birds, shells reveal Dinosaurs laid eggs, of that there is no doubt.
October 21, 2015 190M-year-old dinosaur bones found in China shed light on growth, development A cache of fossilized dinosaur embryos unearthed in China is giving scientists their best glimpse yet into the development of these ancient creatures.