‘Frozen in Place’ Fossils Reveal Dinosaur-Killing Asteroid Struck in Spring

Clues to the season of impact lingered in delicate fish fossils

Spring is a time for budding flowers, tender green leaves and baby animals. But 66 million years ago, that gentle season instead brought mass death and carnage from Earth's catastrophic impact with a massive space rock.

https://www.scientificamerican.com/article/frozen-in-place-fossils-reveal-dinosaur-killing-asteroid-struck-in-spring/