Dinosaur extinction theories suggest populations were dwindling when an asteroid wiped them out. New research is challenging ...

Dinosaurs may not have been declining before the asteroid impact after all – new research shows that the apparent drop in ...

“Dinosaurs were probably not inevitably doomed to extinction at the end of the Mesozoic,” Chiarenza said. “If it weren’t for that asteroid, they might still share this planet with ...

Were dinosaurs thriving when an asteroid hit Earth one fateful spring day 66 million years ago, or were they already on their ...

They found that the proportion of land the four dinosaur groups likely occupied remained constant overall, suggesting their risk of extinction ... fossil-bearing layers - driven by processes ...