Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, ...

New research suggests that dinosaur populations were thriving in North America before the asteroid impact 66 million years ...

Dinosaurs weren’t dying out before the asteroid hit—they were thriving in vibrant, diverse habitats across North America.

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed ...

Scientists investigating the asteroid that wiped out dinosaurs after slamming into the Earth 66 million years ago have released a new study suggesting that it formed "beyond the orbit of Jupiter." The ...