Space Luisa Fernanda
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Friday, October 16, 2026 · UTC
Asteroids & Planetary Defense

Chicxulub crater samples continue to refine dinosaur extinction timeline

Core material drilled from the ancient asteroid impact site remains the primary record for the end-Cretaceous mass extinction.

Caleb Mbeki
Planetary Science Reporter
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The asteroid that struck Earth 66 million years ago and triggered the end-Cretaceous mass extinction created a long lasting hydrothermal system on the ocean floor at the impact site [1].