Scientists just confirmed a 30-foot void first detected inside the monument years ago. Here’s the technology that helped scientists find it—and what it may have been used for.

It’s part of the 10th- or 11th-century A.D. Codex Climaci Rescriptus, a collection of parchments from St. Catherine’s monastery in Egypt with monastic writings in Syriac, an ancient language ...

The map that NASA launched in 1972 ... Polaris will no longer be the North Star, just as it was not the polestar for ancient Egyptian ... “I’m a contributing writer with National Geographic ...

An Egyptian capital and thriving commercial center. The riches uncovered from the ancient city of Tanis, located on the Nile Delta northeast of Cairo, include a royal tomb complex filled with ...

Chichén Itzá, Mexico — At the spring and fall equinoxes, the setting sun casts serpent-like shadows along the northern stairs of El Castillo, or “the castle.” Built more than a thousand ...

Researchers surveyed the DNA of more than 200 cats spanning the last 9,000 years, including ancient Romanian cat remains, Egyptian cat mummies, and modern African wildcat specimens.

Use this ancient technique to remember (almost) anything Embraced by the world’s best memory athletes, the “method of loci” can also help the rest of us strengthen our recall, heal from ...

How did this royal tomb become an ancient wonder? Size and style. Built in the 4th century B.C., the lavish—and massive—Mausoleum at Halicarnassus awed onlookers for more than 1,600 years.

Archaeologists were delighted by the discovery of an intact pharaoh's mummy, but they couldn't help but wonder: Who were the other 12 mummies resting in the same tomb?

“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.

These human-size crystals formed in especially strange ways. New clues into ancient climate shifts reveal the possible origin story of Spain's Pulpí Geode, one of the world's largest.

An eruption of Mount Vesuvius (background) in A.D. 79 buried the ancient Roman city of Pompeii under volcanic ash and rock. The World Heritage site is now the scene of an ambitious restoration ...