Add Yahoo as a preferred source to see more of our stories on Google. On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs. In ...

Within minutes of impact, debris began heating Earth’s atmosphere. Fine dust trapped that heat, potentially killing the ...

This documentary explores one of the strangest scientific possibilities ever proposed: could fragments of dinosaur bones be hiding on the Moon? The journey begins with the discovery that pieces of ...

In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% of all species on Earth were wiped out, including the dinosaurs. Among ...

The asteroid that ended the age of dinosaurs erased nearly all traces of itself. It struck Mexico’s Yucatán Peninsula 66 million years ago, vaporized on contact and scattered its remains around the ...

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America. Fossil evidence from New Mexico shows that distinct “bioprovinces” of ...

A long-held theory suggests that the asteroid strike that killed off non-avian dinosaurs — and most large marine predators — 66 million years ago created an ecological opportunity that spurred the ...

The asteroid that smacked into our planet about 66 million years ago at the Cretaceous-Paleogene (K/Pg) boundary may have been bad news for dinosaurs, but it was good news for fungi. According to new ...

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in New Mexico said Thursday in the journal Science. Experts have long debated ...

Two T. rex dinosaurs square up for a fight in an illustration. Dinosaurs in the Cretaceous were thriving until the Chicxulub asteroid initiated a mass extinction. Mark Garlick / Science Photo Library ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

On the final day of the Cretaceous period, some 66 million years ago, Earth was teeming with a dazzling variety of dinosaurs. In North America, the superpredator Tyrannosaurus rex stalked its favorite ...