The curious minds at What If reveal what would happen if the asteroid that killed the dinosaurs struck today. Maddow Blog | ...

asteroid, but refuted a 2021 hypothesis that the dinosaur killer was likely a comet. "Comets come from very far from the sun, but they're mostly made out of ice and dust," Tissot said.

The dino killer was a rare clay-rich mudball ... chondrite signatures,” Goderis said. Therefore, the asteroid that killed the dinosaurs was probably a carbonaceous chondrite, an ancient space ...

An illustration of a large asteroid colliding with Earth on the Yucatan Peninsula in what is modern-day Mexico. 34,906 people played the daily Crossword recently. Can you solve it faster than others?

Earth’s most famous killer asteroid came from the outer reaches ... volcanic eruptions that have also been implicated in the dinosaurs’ demise (SN: 9/28/23). Most meteorites found on Earth ...

An asteroid nearly the size ... wiping out the dinosaurs and 75% of all species. By contrast, 2024 YR4 falls into the "city killer" category. "If you put it over Paris or London or New York ...