Fossils reveal dinosaurs were flourishing in diverse ecosystems right up until the asteroid impact ended their reign.

T. rex and Triceratops were both alive at the moment an asteroid collided with Earth 66 million years ago, but did it kill them? In the rocks across Montana, a mysterious layer is found separating ...

The age of the dinosaurs ended 66 million years ago with the ultimate bad day, not a prolonged period of climate change wrought by volcanic activity, according to new research. The city-size asteroid ...

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 years ...

In the aftermath of the giant asteroid that crashed into the Yucatan Peninsula about 66 million years ago, approximately 75% ...

Researchers from the Center for Astrophysics theorize that a comet, not an asteroid, is to blame for killing off the dinosaurs on Earth. In a press release, researchers said the Chicxulub impactor ...

That killed T. rex? Berkeley team says it was it was a space impact after all. Feb. 7, 2013 — -- Go digging with dinosaur hunters and they will show you that the last of the Cretaceous beasts ...

New analysis shows several families of dinosaurs were likely thriving in North America in the latter days of the dinosaur era. Reading time 3 minutes Diversity is central to one of the biggest ...

The asteroid that wiped out the dinosaurs may not have been the whopper scientists thought. Analysis of chemical remains of the asteroid that can still be found in sediments under the sea shows the ...

Researchers found that night lizards survived the dinosaur-killing asteroid strike at the end of the Cretaceous, despite living near the impact site in Mexico. When you purchase through links on our ...