Long before mammals dominated the land and even before the most famous dinosaurs appeared, Earth was home to a wide variety of powerful predators. While dinosaurs often get most of the attention when ...

Add Yahoo as a preferred source to see more of our stories on Google. A reconstruction of a Late Jurassic Dry Mesa Dinosaur Quarry ecosystem around 150 million years ago which shows a diverse array of ...

Babies and very young sauropods – the long-necked, long-tailed plant-eaters that in adulthood were the largest animals to have ever walked on land – were a key food sustaining predators in the Late ...

WASHINGTON — It may have been suicidal for a predator to go after a healthy adult Brachiosaurus, a behemoth weighing perhaps 60 tons that was a member of the long-necked group of dinosaurs called ...