One dinosaur, in particular, has captivated scientists for decades as a possible “thinking dinosaur”: Troodon formosus. Small, swift, and birdlike, Troodon wasn’t the largest or most fearsome predator ...

Fossilized footprints are among the most abundant traces dinosaurs left behind. But linking a track to its corresponding ...

Sixty-six million years ago, a catastrophic asteroid impact wiped out 75% of Earth’s species, bringing an abrupt end to the reign of the nonavian dinosaurs. The 9-mile-wide (15 km) space rock struck ...