35
Health & Science9h 40m ago

The asteroid that wiped out the dinosaurs was likely an exceptionally rare CO chondrite from a distant region of the solar system.

Solar System

Who
Scientists
What
The asteroid that wiped out the dinosaurs was likely an exceptionally rare CO chondrite from a distant region of the solar system.
When
Sun, 19 Jul 2026 04:23:51 GMT · 9h 40m ago
Where
Solar System ·
Why
Its unusual chemistry suggests that planet-cooling dust and debris, rather than sulfur inside the asteroid, may have delivered the deadliest blow.
The Frontline Impact

How this affects you

Identification of the asteroid's composition provides new insight into the mechanism of the mass extinction event that occurred 66 million years ago.

Story chain

1 event in this thread
No related history yet - this is the origin event.

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