![Dinosaur-killing asteroid impact fouled Earth's atmosphere with dust Dinosaur-killing asteroid impact fouled Earth's atmosphere with dust](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-11/61699443882_reconstructiondepic.jpg)
Dinosaur-killing asteroid impact fouled Earth's atmosphere with dust
The total amount of dust, they calculated, was about 2,000 gigatonnes - exceeding 11 times the weight of Mt. Everest.
Sat Nov 11 2023
![Ancient Maya city discovered in Mexican jungle Ancient Maya city discovered in Mexican jungle](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2023-06/71687326332_Mexico.jpg)
Ancient Maya city discovered in Mexican jungle
INAH institute said the city, which it has named Ocomtun, was likely an important center more than a thousand years ago.
Sun Jun 25 2023