Dinosaurs roamed on Earth for around 165 million years and existed for around three distinct periods. A catastrophic event 66 million years ago, which wiped out more than half of life on Earth, including the dinosaurs, is believed to be caused by meteorites crashing into Earth.

Originally released by Makematic, 2023. Streaming video file encoded with permission for digital streaming by Infobase on June 21, 2023.