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

Beneath the white gypsum dunes of New Mexico, scientists have uncovered something remarkable—trails of footprints that ...

Even though the slow-moving herbivores were likely prey for the smaller, sharp-toothed carnivores, said Tone Blakesley, the ...

With pollen and common ditch grass seed found both in the footprints and within the same layer of hardened mud in which the footprints were found, the team was able to confirm the new 23,000-year ...

Since these pollen grains were found in the same mud layer as the footprints and showed no sign of hard water interference, they provided independent confirmation of the original dating.

Because of their flatness, the footprints had previously been mistaken ... a thin layer of sand on top of a much harder layer of mud, leaving only a shallow indentation. They are preserved in ...

Both types of dinosaurs would have had to have enough weight to leave behind such footprints, sinking through the sand to the hardened mud below, and that could last until this day. Blakesley ...