Apr. 8, 2025 — 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 ... Apr. 1, 2025 — More ...

Dinosaurs' Apparent Decline Prior to Asteroid May Be Due to Poor Fossil Record Apr. 8, 2025 — The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. After our wedding last Sunday, my husband and I were ...