The park has an estimated 3,000 species of plants and animals, many of them found nowhere else in the world
Yellowstone's grizzly bears have made a remarkable recovery, but some worry the bears could lose their Endangered Species Act status.
They're not being rude. It's a natural process triggered by vibrations. Continue reading →
Smithsonian's National Zoo celebrated the new panda cub Saturday by giving him the name Bei Bei, which means 'precious treasure.'
Three critically endangered Javan rhino calves have been filmed in an Indonesian national park.
A deep sea robot finds marine life rivaling that found at the Great Barrier Reef.
Pollution is getting into one of America's great natural wonders. Continue reading →
See some of the most spectacular waterfalls from around the world.
+ Load More