The results of this study, which were based on estimated real global biodiversity, showed that between 628 and 1,078 non-avian dinosaur species were alive at the end of the Cretaceous and underwent …

Nov 11, 2025 · Dinosaur - Extinction Causes, Evidence, & Theory: The mass extinction of dinosaurs 66 million years ago remains a misconception; the fossil record shows that dinosaurs were already in …

Dinosaurs that failed to adapt went extinct. But then 66 million years ago, over a relatively short time, dinosaurs disappeared completely (except for birds). Many other animals also died out, including …

Why did the dinosaurs go extinct? Learn about the mass extinction event 66 million years ago and the evidence for what ended the age of the dinosaurs.

Jul 20, 2025 · Scientific evidence reveals a complex story of the dinosaurs’ end, combining long-term planetary stress with a sudden catastrophic event that reshaped life.

Dec 5, 2025 · The sudden extinction of the dinosaurs dramatically altered the North American landscape, according to a recent study published by a multi-institutional team including researchers …

May 2, 2025 · This article explores the major extinction events that influenced dinosaur survival and their eventual extinction, breaking down the causes, effects, and lasting legacy of these world-changing …

Let's look into what caused this widespread extinction, why non-avian dinosaurs couldn’t survive, and what helped other species make it through. Using clear paleontological evidence and modern …

Oct 19, 2023 · Dinosaurs ruled the world for roughly 140 million years—until they suddenly disappeared. While decades of research point to an asteroid impact at Chicxulub crater as the end of the …

Mar 3, 2025 · Over this time, the Earth experienced large-scale fluctuations in the climate, and eventually a six-mile-wide meteorite impact that led to the extinction of more than 75% of life on …