Every evening, millions of bats swarm out of a single cave in Texas, making it one of the most stunning natural phenomena to ...

After eons underground, it was discovered by accident. Within a couple of decades, it was already under threat.

Fossilized bones and teeth dating to 773,000 years ago unearthed in a Moroccan cave are providing a deeper understanding of ...

Part of the adventure in luring your friends out to the high desert terrain in Northern California, where a valley floor spills from the northern backside of Mount Shasta, is that precious moment when ...

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...

Ancient fossils from Moroccan caves, dated with rare precision, offer rare insight into early human evolution.

A 26-ft (8-m) deep excavation in Indonesia has revealed that humans and a hominin species that pre-dates humans used the same ...