Except in the crust, the interior of the Earth cannot be studied by drilling holes to take samples. Instead, scientists map the interior by watching how seismic waves from earthquakes are bent ...

This story appears in the June 2011 issue of National Geographic magazine. Most of us would be hard-pressed to locate Inner Mongolia, Jiangxi, or Guangdong on a map. Yet many of the high-tech ...

8 min read This story appears in the September 2013 issue of National Geographic magazine. The maps here show the world ... million cubic miles of ice on Earth, and some scientists say it would ...

Once this photolettering process was refined, it was applied to our United States map supplement in the May 1933 National Geographic. Shortly thereafter, Society cartographer Charles E.

We mark this 50th anniversary of Earth Day with Jane Goodall, one of the world’s most renowned scientists and environmentalists. A new National Geographic documentary explores her life and work ...