A species that was hunted to local extinction has returned to its natural habitat, say scientists who witnessed the ...

He noticed dangerous boulders along the creek banks and avoided them the best he could, when the ground slid out from under ...

Think the beach is just for lounging? Think again. These stunning hikes trace the coast, from quiet beach walks to ...

Before your visit, discover some of Earth's most captivating creatures found at the San Diego Zoo Safari Park, like the ...

Six years after the last wild caribou in the Lower 48 was relocated to Canada, conservationists and Inland Northwest tribes ...

“Fluoride prevents tooth decay through two mechanisms: by converting hydroxyapatite in tooth enamel to the more ...

Spring in the Arctic brings forth a plethora of peeps and downy hatchlings as millions of birds gather to raise their young.

Adopting new digital systems to help oceangoing container ships get in line to offload their cargo at busy ports appears to ...

Learn more about the earliest evidence of birds breeding and nesting in the Arctic, a behavior that millions of birds ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found decades ago in Canada reveal.

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds ...