A new study, published in the Journal of Geophysical Research: Biogeosciences, indicates that the asteroid impact that created the Chicxulub crater 66 million years ago turned Earth into a giant ...

Sixty-six million years ago, the six-mile-wide (10-kilometer-wide) Chicxulub asteroid crash-landed in Mexico's Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, ...

Add Yahoo as a preferred source to see more of our stories on Google. A Chicxulub asteroid dust cloud may have trapped lethal heat, ignited wildfires and killed exposed dinosaurs within hours. (CREDIT ...

Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass extinction in the way scientists previously thought. Reading time 3 minutes ...

A new study published Tuesday in the Journal of Geophysical Research: Biogeosciences found that fine silicate dust from the Chicxulub asteroid amplified the impact's surface heat flux by a factor of 3 ...

WASHINGTON — 66 million years ago, the six-mile-wide Chicxulub asteroid crash-landed in Mexico’s Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's imagining of a saprotrophic fungus. (Juan Gaertner/Science Photo Library/Getty Images) In the wake of the catastrophic ...

WEST LAFAYETTE, Ind. — Sixty-six million years ago, an asteroid about the size of Mount Everest smacked into Earth near where the Yucatan Peninsula is today. That impact created the Chicxulub crater ...

Sixty-six million years ago, the sky above Earth may have turned into a furnace. Dust from the Chicxulub asteroid impact could have trapped returning heat so efficiently that forests ignited and ...

WASHINGTON — 66 million years ago, the six-mile-wide Chicxulub asteroid crash-landed in Mexico’s Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only ...