Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation following the impact that wiped out the nonavian dinosaurs.

Earth, triggering one of the most devastating mass extinctions in history. In a single moment, life on the planet changed ...

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny 'spherules' embedded in layers ...

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million ...

Ancient pollen reveals stories about Earth’s history, from the asteroid strike that killed the dinosaurs to the Mayan collapse By Francisca Oboh-Ikuenobe , Missouri University of Science and ...

Dinosaurs Were Doing Just Fine Before an Asteroid Wiped Them Out: Study Despite previous research, Earth's long-gone mega-reptiles probably weren't dying off before an impact winter did them in ...

(Trilobites) Asteroid That Killed the Dinosaurs Was Great for Bacteria p pulse Follow; The asteroid moved 24 times faster than a rifle bullet as it struck Earth some 66 million years ago. Its ...

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