Recent research conducted by the University of Bristol hypothesizes that mammals started to adapt to a more ground-oriented lifestyle several million years ... 66 million-year-old Chixculub ...

(CNN) — It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful spring ...

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

The number of dinosaurs may have been stable before the asteroid impact, despite evidence that species were getting less diverse ...

A new study challenges the belief that dinosaurs were declining before the asteroid ... age (83.6 million to 72.1 million years ago) and Maastrichtian age (72.1 million to 66 million years ago).

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

Dinosaurs weren't in decline when an asteroid ... Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million years ago ...

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Dinosaurs were not in decline before the asteroid hit, instead poor ... Campanian age (83.6 million to 72.1 million years ago) and Maastrichtian age (72.1 million to 66 million years ago) were ...

Asteroid 2024 YR4 won't hit Earth in December 2032 ... of NASA’s Center for Near Earth Object Studies (CNEOS) Sentry Risk Table over ten years ago. This collision probability dipped down ...