See how filmmakers captured the death-defying mountain descent of spectacled bears on The Making of The Americas.

The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will ...

In the Triassic era, North America was part of Pangea, a supercontinent whose massive scale sparked extreme monsoons that ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

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