The valley stretches on for miles. A dramatic world of canyons, plains, river basins and forests as far as the eye can see.

A fossil from one of the largest dinosaurs to live in North America was discovered in a national park in Texas.

Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's ...

Unsurprisingly 300,000,000 years ago, the world was extremely different at ground level. Sprawling forests primarily made of ...

A photograph (archived) shared in a thread posted to X on April 8, 2025, claimed to show the "real size" of various animals, including a large, two-footed bearlike animal that towers over a man. The ...

Secrets of the Penguins cinematographer, Bertie Gregory, shares the memorable moment he filmed baby penguins leaping from a 50-foot cliff with PEOPLE.

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