New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution ...

A study suggests another asteroid struck Ukraine 650,000 years later, possibly warming the climate. These back-to-back impacts may have delayed Earth's recovery from the mass extinction. See more ...

Add Yahoo as a preferred source to see more of our stories on Google. Artist's rendering of the Chicxulub asteroid entering Earth's atmosphere 66 million years ago, triggering events that caused a ...

Some 66 million years ago, life on Earth had a pretty bad day. The infamous Chicxulub asteroid slammed into the planet. The ...

(Editor’s note: This article was updated Monday, Oct. 30, 2023, with information from a study in Nature Geoscience. The study shows that fine particles kicked up from the impact may have blocked the ...

The researchers are not the first to propose that the space rock belonged to a group of asteroids that formed beyond the orbit of Jupiter. Their findings, however, strengthen the case thanks to a rare ...

Previous studies have posited that the mass extinction that wiped the dinosaurs off the face of the Earth was caused by the release of large volumes of sulfur from rocks within the Chicxulub impact ...