This artist rendering shows the European Rosetta spacecraft and its lander a few moments before touching This illustration shows the European Space Agency's Rosetta spacecraft and its lander a few moments before touching down on the comet's surface.

Arthur, the first hurricane of the Atlantic season, formed from a tropical storm on Thursday morning. SATELLITE PHOTO FORM NOAA VIA ASSOCIATED PRESS. Willie Drye. for National Geographic. Published July 3, 2014. As Hurricane Arthur, the season's ...

Booming oil production in North Dakota (site of the oil rig shown here) and elsewhere in the United States has led to calls for a lifting of restrictions on oil exports. Photograph by Andrew Burton, Getty. Christina Nunez. National Geographic. Published June 16 ...

NASA's Hubble space telescope has unveiled its most colorful window into the universe yet, a glimpse of some 10,000 galaxies spread across space. Some of those universes date to the era of the first galaxies. The Hubble Ultra Deep Field (HUDF) image ...

David Guttenfelder, who worked closely with Niedringhaus, says her death is "a profound loss to photojournalism." A photo of an Afghan National Police officer manning a checkpoint. AP photographer Anja Niedringhaus captured this photo of an Afghan ...

David Guttenfelder, who worked closely with Niedringhaus, says her death is "a profound loss to photojournalism." A photo of an Afghan National Police officer manning a checkpoint. AP photographer Anja Niedringhaus captured this photo of an Afghan ...

David Guttenfelder, who worked closely with Niedringhaus, says her death is "a profound loss to photojournalism." A photo of an Afghan National Police officer manning a checkpoint. AP photographer Anja Niedringhaus captured this photo of an Afghan ...

One in eight deaths from pollution are attributed to fuel burned indoors for cooking—a common practice in the developing world. A photo of a woman cooking food in her shanty in Mumbai. A woman cooks food in her shanty in Mumbai, India. PHOTOGRAPH ...

NASA's Kepler Space Telescope has nearly doubled the number of alien worlds known to humanity. The artist concept depicts multiple-transiting planet systems, which are stars with more than. This illustration depicts stars with more than one planet.