Dinosaurs roamed the Earth between 252 to 66 million years ago. These magnificent creatures dominated our planet during the Mesozoic Era, which is divided into the Triassic, Jurassic, and Cretaceous periods. This era witnessed the evolution and extinction of dinosaurs and left a profound impact on the history of life on Earth. Their fossilized remains provide a window into an ancient world, vastly different from our own, and remind us of the ever-changing nature of life on our planet.