Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...

Why looking at Earth from above is our most critical space mission Climate scientist Michael Mann muses on seminal weather satellite NOAA-20—and what the perspective from space teaches us about ...

This story appears in the November 2015 issue of National Geographic magazine. ... NASA’s earth science director. Four years of drought have taken a harsh toll on California's farms and forests.

National Geographic Explorer and researcher, Rosa Vásquez Espinoza, traverses the depths of Lake Huron to understand how life on Earth evolved and what we can do to preserve it.

Now he hosts StarTalk, a science talk show on the National Geographic Channel. In his new, richly ... On Earth there exist microbes that can resist high radiation and you can freeze dry and ...

A depiction of how Earth may have looked 650 million years ago during a period when snow and ice may have covered most, if not all, of the Earth's surface and oceans. New science suggests an ...

Thus a hot Earth did not have to be a young Earth. It’s true that radioactivity does give off heat, but there isn’t enough inside the planet is to account for the heat flowing out of it.

Nature needs us to act—now. Life as we know it depends upon biodiversity, which is why the Campaign for Nature seeks to protect at least 30 percent of the planet by 2030.

We published the first issue of National Geographic in October 1888. The magazine looked quite different from today’s, with a plain brown cover and not a single photograph in its 98 pages ...