Every spring, the twinkling lights from thousands of fireflies illuminate the forests of Elkmont, Tennessee, located in the Great Smoky Mountains National Park. Together, the fireflies glow in a ...

The best wildflower hiking trails in the U.S. Spring is in bloom. Here are our favorite places to frolic through fields of flowers, from the Pacific Northwest to the Appalachian Mountains.

How to photograph the stars. From basic techniques to the kit you need, plus where to go to capture the best pictures, here’s how to get started in astrophotography.

Tomatoes were reviled for centuries—so how did we come to embrace them? This small New Jersey town claims to have played a major role.

In his new National Geographic series, Limitless With Chris Hemsworth, the actor completes a test of the body’s reactions to fear: He climbed up a hundred-foot-long rope suspended from a cable ...

When humpbacks get stuck in fishing gear, their friends stick around to help. Are whales altruistic? A new scientific paper and a video present a compelling case the answer is “yes.” ...

For more than a century, Anglo-Irish explorer Ernest Henry Shackleton's 144-foot long ship "Endurance" was lost off the coast of Antarctica beneath the icy Weddell Sea.