These glowing seas have baffled sailors for centuries. Science may finally have answers. "Milky seas” are one of the rarest reported forms of bioluminescence.

Africa’s Great Migration sees millions of wildebeest and zebra thunder across the sun-bleached savannah, drawn by instinct to cross crocodile-infested rivers where predators lie in wait. But beyond ...

The world’s oldest map of the night sky was amazingly accurate. Newly discovered fragments of 2,200-year-old star coordinates—once thought lost—reveal the incredible skill of the ancient ...

“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.

On December 7, 1941, Japanese forces attacked Pearl Harbor. Maps, both historic and newly created by National Geographic, yield new insights into the full scope of Japan's battle plans for the day ...

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.

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.

Have we broken the natural contract between humans and rivers? The nature writer debates our relationship with the world’s waterways that inspired his latest book, Is A River Alive?

The map that NASA launched in 1972 could lead extraterrestrials to Earth. A new map, nearly 50 years later, provides even better directions. A sparkling mass containing at least half a million ...

Twenty-four-hour neighbourhood festivals, a nine-mile-long street party and a whole year of revelry — Amsterdam is pulling ...

From what to pack to whether travel insurance will cover you, here’s what you need to know about travelling during tropical cyclones.

High-altitude drone captures rare view of Mount Everest. Using a drone modified to fly in thin air, photographer Renan Ozturk captured a stunning 360-degree panorama of the roof of the world.