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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When it smashed into Earth "with the energy of about 8 billion times a World War II-era nuclear ...

The American Museum of Natural History is opening a sweeping new exhibition, "Impact: The End of the Age of Dinosaurs," on ...

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 ...

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 ...

In one violent moment, the Cretaceous world ended. Using geological evidence, fossilized ash layers, and crater data from ...

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: Reading time 3 minutes Diversity is central to one of the ...

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 ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...