paleontologist Dr. Julia Clarke of the University of Texas explained that instead of open-mouthed roars, scientists theorize that many dinosaurs may have produced closed-mouth vocalizations.

Dinosaurs dominated the planet for around ... But she says they could also have used open-mouth calls in other situations, such as moments of distress. "There's going to be a lot of different ...

Universal's new popcorn bucket for the upcoming film Jurassic World Rebirth features a T-Rex with a moveable mouth and eyes ...

The dino, named Coahuilasaurus lipani after the region where it was found and the Lipani Apache tribe that lives there, also has unique tooth-like spikes jutting from the roof of its mouth.

paleontologist Dr. Julia Clarke of the University of Texas explained that instead of open-mouthed roars, scientists theorize that many dinosaurs may have produced closed-mouth vocalizations.