Picture a baby Brachiosaurus the size of a golden retriever, hunting for food with its siblings while dodging predators that would happily eat it. Meanwhile, its parents—towering over 40 feet tall—are ...

Drill cores at the impact site of the Chicxulub asteroid show evidence that, alongside widespread destruction, the collision created a vast underground ecosystem filled with hot water that sheltered m ...

Despite growing into the largest animals ever to walk on land, sauropods began life small, exposed, and alone. Fossil evidence suggests their babies were frequently eaten by multiple predators, making ...

An image of University of Maryland geologist Thomas R. Holtz, Jr. holding a baby crocodile, one of the closest living analogs for dinosaurs. Similar to their dinosaur predecessors, crocodiles guard ...