Tag: Cretaceous
“It Was Bigger Than A Killer Whale”: 66 Million-Year-Old Tooth Suggests Mosasaurs Were Hunting In Rivers, Not Just Seas
Imagine a creature, larger than a killer whale, patrolling not just the vast, salty oceans, but also the twisting, murky currents of ancient rivers....
Turns out dinosaurs were thriving in North America right before the asteroid hit, new study finds.
For decades, the story of the dinosaurs' demise often painted a picture of creatures already on their way out. The narrative went something like...
