The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our ...

Everyone knows what a bird is – and pretty much everyone knows what a dinosaur is. But not everyone is aware that birds evolved from dinosaurs approximately 160 million years ago. In fact, birds and ...

So in one way, dinosaurs never went extinct; they just turned into birds. However, in the stricter sense of the word, dinosaurs had a whole combination of anatomical and behavioral characteristics ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

A site in the San Juan Basin of northwestern New Mexico is providing a rare glimpse into the last days of the dinosaurs.Rocks and fossils at the Naashoibito Member site show an ecosystem that was ...

Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles to determine a fossil’s age. Previous estimates put T. rex’s lifespan at ...