In Africa, artificial intelligence and data is being used to identify pollutants and clean up the air. On the outskirts of Cairo, the pyramids shimmer in a brownish haze. In gridlocked Nairobi, ...

The spring equinox occurs at 10:46 a.m. Eastern Daylight Time on March 20, when the sun crosses from the southern to the northern half of the celestial sphere. This astronomical transition marks ...

Astronomers have finally captured an image of Sagittarius A*, the supermassive black hole at the center of the Milky Way. Because black holes emit no light and appear extremely small from Earth, ...

Zodiacal light, for example, makes you wait – and once it’s arrived, you still have to work for it. The zodiacal band is even ...

The Stars at Night explores the connections between astronomy, mythology, and original storytelling. Join us in one of America’s last dark skies to discover light pollution's impact on our environment ...

The Great Pyramid of Giza is one of the most precisely aligned structures in the ancient world. Its sides point almost ...

Discover Coral Castle in Florida, a mysterious stone monument built by one man that still puzzles visitors with massive blocks, moving gates, and hidden secrets.

The Yonaguni Monument, located off the coast of Yonaguni Island in Japan, has long been a subject of debate and intrigue.

The zodiacal light – so called because it appears within the same belt of constellations as the zodiac signs (and is a light) – looks like a huge ghostly pyramid in the sky, its vertical axis tilted ...

National Geographic archaeologist George E. Stuart reported in 1975 on the scientists who sought to decode the ancient language—and the looters who stood in their way.

Zodiacal light is at its most visible for viewers in the Northern Hemisphere in the hours following sunset on nights ...