The highest volcano in the chain has a nearly perfect cone shape.
Published Jun 18, 2012
Salt and algae color the landscape and water around this marsh that lies below global sea level.
Published Jun 11, 2012
For the first time in history, and the last time for a century, astronauts captured images of the planetary transit as viewed from orbit.
Published Jun 7, 2012
Winds shape the sands that were left behind by an ancient river.
Published Jun 4, 2012
Man and nature have both altered the course of a southwestern U.S. river.
Published May 21, 2012
The salt-covered, dry lakebed is at the center of Namibia’s largest wildlife park and a major tourist attraction.
Published May 14, 2012
The crater was formed by a meteor impact less than 70 million years ago, during the “Age of Dinosaurs.”
Published May 7, 2012
Astronauts on the International Space Station observed an intense winter dust storm in White Sands National Monument, New Mexico.
Published Apr 30, 2012
The irregular coastline of Kamchatka provokes large, circular eddies to spin off from the main southwestward-flowing Kamchatka current. Three such eddies are highlighted by surface ice floe patterns.
Published Apr 9, 2012
It is one of the great tectonic features of Africa—caused by fracturing of the Earth’s crust—and includes the classical geologic structures associated with a rift valley.
Published Apr 2, 2012
The island sits along the tectonic boundary where the old, cold Pacific plate is being subducted at the Marianas trench.
Published Mar 26, 2012
Merging rivers paint the landscape with muddy sediment.
Published Mar 19, 2012
The city is a favorite subject for astronaut photography.
Published Mar 9, 2012
This photograph from the International Space Station presents an almost surreal view of abundant green fields in the midst of a barren desert.
Published Mar 5, 2012
Fifty years ago today, the first American to orbit the planet took this photo of home.
Published Feb 21, 2012
In the desert, a lake shows a long fight between water, wind, and climate.
Published Feb 20, 2012
Atlanta, Jacksonville, and Charlotte fill the darkness with light.
Published Feb 13, 2012
With mountains and coastline in close proximity, the island is a popular holiday destination for Europeans.
Published Feb 6, 2012
East of the Andes, the volcanic field is a product of complex geological processes.
Published Jan 30, 2012
Is that a tapestry or an agricultural scene from Canada?
Published Jan 23, 2012
The Moon and the International Space Station appear as neighbors, though they are 384,400 kilometers miles apart.
Published Jan 16, 2012
Two neighboring craters in Africa had very different origins.
Published Jan 9, 2012
Ephemeral lakes grow with a fresh pulse of water in December 2011.
Published Jan 2, 2012
A comet rises into view from the east around the December solstice.
Published Jan 1, 2012
After dark, a fiesta of lights provides the outline for Spain and Portugal.
Published Dec 26, 2011
Astronauts and Santa Claus have a similar view of the planet.
Published Dec 24, 2011
Lake Eyre did something in 2011 that it doesn’t do very often: it took on new water.
Published Dec 19, 2011
Northwestern and central Argentina are subject to frequent dust storms, such as this one viewed in November 2011 from the ISS over South America.
Published Dec 12, 2011
Astronauts on the ISS captured an unusual, airplane-like view of the Antarctic Peninsula and nearby islands.
Published Dec 5, 2011
The Selenga River Delta, which stretches out into Russia’s Lake Baikal, is carved by an intricate network of channels and levees and surrounded by marshlands.
Published Nov 28, 2011
