When Non-Avian Dinosaurs Went Extinct, the Earth Changed—Literally. Scientists Think They Finally Know Why

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.

Sep 20, 2025 1

When Non-Avian Dinosaurs Went Extinct, the Earth Changed—Literally. Scientists Think They Finally Know Why
Dinosaur

Rock layers deposited before and after the major dinosaur extinction event 65 million years ago are surprisingly different.
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