Dinosaur fossils kept secret for years show the day of killer asteroid

Fossil of small dinosaur discovered in Australia

Desert Mysteries| What Kind Of Dinosaur Lived In The Desert Sands? | Adventure Dinosaurs

Dinosaur State Park

Why did the dinosaurs go extinct?

Asteroid Impact Theory & Dinosaur Extinction

Scientists claim they've found a perfectly preserved dinosaur fossil killed when the mass extinction asteroid hit the earth 66 million years ago