This California trail takes you through surreal landscapes with shadowy caves and rock formations that make every step unforgettable.

Below the channel’s placid surface were some of the most vicious creatures I’ve ever encountered. All my life I’d searched for a place like this ...

Swimming holes are a Texas tradition, and this one is amazing. The Blue Hole sits along Cypress Creek in the town of Wimberley. The water is so clear you can see straight to the bottom. It’s fed by ...

The juvenile bird which usually found around the Pacific Ocean was spotted on a tower near Lake Martin in Tallapoosa County.

The problem with diffusion is that it’s notoriously slow. The oxygen constraint hypothesis argued that the larger the insect grows, the further the oxygen must travel to reach the deepest tissues. “As ...

The latest clues hint at where pterosaurs — the first vertebrates to fly — came from, how they evolved, what they ate and more.

Get the story behind these social penguins who breed during the harshest time of year in the most inhospitable region on Earth.

A pest to ranchers, a prize to hunters, and a temperamental tank to anything that bothers it, African buffalo roam by the thousands in sub-Saharan Africa. Cape buffalo, one of four distinct subspecies ...