Tyrannosaurus rex ancestors and their plant-eating dinosaur prey would have congregated to drink water from a lagoon in what ...

With pollen and common ditch grass seed found both in the footprints and within the same layer of hardened mud in which the ...

For the photo, scientists filled the hominin tracks and a few other footprints with dark sand so they would stand out against the light-colored sediment. Anna K. Behrensmeyer I could hardly ...