More than a century of fossils pulled from the ground told a straightforward story: dinosaurs thrived, then declined, then ...

An asteroid at the end of the Cretaceous Period ended the dinosaurs, but earlier smaller extinctions dramatically set the ...

To understand better what was going on at the time of the dinosaurs’ demise, Dean and his colleagues turned to a statistical approach called occupancy modeling to estimate the probability of a ...

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 ...

Not far from College Station, Texas, we saw an echo of the event that, 66 million years ago, radically changed life on Earth.

WASHINGTON (Reuters) -After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became ...

(CNN) — It’s a long-standing debate in paleontology: Were dinosaurs thriving when an asteroid hit Earth one fateful spring day 66 million years ago, or were they already on their way out, and ...