Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, and a rare cosmic lineup.

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.

Before their defeat by the Spanish in 1521, the triple alliance ruled Mesoamerica through complex trade networks—and warfare.

Dolphins can identify their friends by taste, study shows for the first time. The marine mammals use several cues, including unique whistles, to form a complex awareness of others in their minds.

Mary may have come into contact with Jesus because of his healing powers. “Seven demons had gone out of her,” says Luke (Luke 8:2). Some scholars believe that the Magdalene may be the same ...

It’s an ongoing debate on TikTok: A couple wonders why one of them can smell ladybugs and the other can’t.. Below that video, one commenter notes that ants smell, too, like a “combo of ...

Welcome to Earth, an Original Series from National Geographic, is streaming December 8 only on Disney+. It might seem humans have mapped every inch of our planet’s surface, ...

“When there is no water, nothing green, the sand becomes very strong, a very fast enemy,” says Sbai. “It takes a lot of land.” The desert is pressing in from every direction.

The love songs of these Panamanian frogs is a dinner bell for fringe-lipped bats. But how do they learn which frogs and toads are safe to eat and which are poisonous?

The December 18 explosion is the region’s fourth in three years—and has fired out 10 times more lava per second than any of the past three at their peaks. Here's what happens next.

Fifty years since reunification, the fall of Saigon is a distant memory and microbreweries, cool cafes and Michelin-lauded restaurants are adding another dimension to the city’s eclectic food scene.