White House security tightens after a breach. Let's take a look at some notable security moments in the history of the president's home office.
Check out some of the coolest images of the planet from space and below.
Volcanoes erupt, a wolf gets up close with a bear and the Napa quake deforms the Earth.
A spherical Bublcam device uses four overlapping cameras with 190-degree lenses. Continue reading →
Created in 1964, the National Wilderness system now covers about 5 percent of the United States. See National Geographic photographer Michael Melford's photos of current and proposed National Wilderness areas.
Some of the most dazzling views from the International Space Station happen when the sun goes down and the city light turn on. Continue reading →
Here are six ways humans are permanently changing the deep Earth, from mining to underground nuclear testing.
On Aug. 6, 2014, the European Rosetta spacecraft arrived in orbit around comet 67P/Churyumov–Gerasimenko, capturing some breathtaking views of the pristine cometary landscape.
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