Mountains. Rainforests. The ocean. These critical Earth systems provide some of the most basic needs for life on Earth: water, oxygen, a stable climate. But these systems are increasingly at risk ...
This story appears in the November 2015 issue of National Geographic magazine. The view out the window was bad enough. As his research plane flew over groves of California’s giant sequoias, some ...
This story appears in the December 2009 issue of National Geographic magazine. It took humans thousands of years to explore our own planet and centuries to comprehend our neighboring planets, but ...
Our maps have long been known for their distinctive typefaces, but few outside the Society know of the history that lies behind them. ByJuan José Valdés Until the early 1930s, most of our maps ...
If we keep burning fossil fuels indefinitely, global warming will eventually melt all the ice at the poles and on mountaintops, raising sea level by 216 feet. Explore what the world’s new ...
Prehistoric time line, geologic time scale, photos, facts, maps, and more from National Geographic. Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5-billion-year history.