We may soon find out. Earth is a geological oddball in our solar system. This is why. Earth is a geological oddball in our solar system. This is why. How to see the green comet flying past Earth ...

Solar energy is lauded as an inexhaustible fuel source that is pollution- and often noise-free. The technology is also ...

If you were hoping to see the “mini moon,” you’ve probably been disappointed. But experts say the asteroid was an important ...

It’s the ultimate game of find a needle in the haystack. One NASA scientist is betting on AI to help expedite the search ...

Tubeworm larvae, sea snails, and marine worms were uncovered living in tiny caves underneath the ocean floor, revealing life ...

For the first time, NASA is journeying to this mysterious moon to determine if it might be able to host alien life.

This story appears in the November 2015 issue of National Geographic magazine ... is perhaps the strongest incentive for leasing a solar system. Shiv Kumar, a 20-year-old laborer in Madhotanda ...

National Geographic mines 130 years of photography to showcase what it means to be female. 15 life-changing experiences in North America’s national parks 15 life-changing experiences in North ...

Here and there, in small demonstration projects, engineers are exploring technologies that could turn coal into power without these environmental costs. Yet unless utilities start building such plants ...

For example, oil and gas used to generate electricity or power industrial manufacturing will need to be replaced by net zero emission technology like wind and solar power. Transportation ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

The digestive system is the series of tubelike organs that convert our meals into body fuel. There are about 30 feet (9 meters) of these convoluted pipeworks, starting with the mouth and ending ...