For billions of years, a small moon orbiting the ice giant Neptune hid amid the dusky starlight. Now, the minuscule world has a name—and scientists are beginning to piece together its violent ...

Early risers in the Southern Hemisphere will get a treat on April 17: Mercury, Venus, Saturn, and Neptune will line up low in the eastern sky just before sunrise. The first three will be visible ...

Discovered in 2015 by NASA’s Kepler spacecraft, K2-18b is very unlike our home world: It’s more than eight times the mass of Earth, which means it’s either an icy giant like Neptune or a ...

Join us in the celebration with a chance to win a National Geographic-Lindblad Expeditions cruise to Antarctica for two! Ever dreamt of gliding on a Zodiac around enormous icebergs of the ...

National Geographic, the iconic media organization known for documenting our world’s wonders for over a century, has unveiled an ambitious new initiative honoring individuals who embody the ...