Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct ...

It's a great chance to explore the history, geology, plants, animals, and the landscapes of when the dinosaurs roamed ... 8 ...

Now, a new study estimates that the first warm-blooded dinosaurs may have roamed Earth about 180 million years ago, about halfway through the creatures’ time on the planet. Warm-blooded creatures — ...

The Painted Desert isn’t just another Instagram backdrop. Beyond the tourist spots and familiar viewpoints, this 93,500-acre ...

A key point of the event is to invite viewers to consider how drastically the Sonoran Desert has changed over the hundreds of millions of years since dinosaurs roamed the Earth. According to Rich ...

More than 90 million years ago, a creature with a long neck and two claw-baring fingers roamed the Earth, grabbing plants and sinking its sharp, small leaf-shaped teeth into the greenery hanging from ...

According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic end. For months, scientists conclude, dense clouds of dust blocked the sun ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went ...