Several Arizona cities and suburbs merge in a distinctive Western U.S. grid pattern.
Published Apr 1, 2013
Situated along key travel routes between the West and East, this capital city has been settled for at least 6,000 years and has changed rulers and layouts many times.
Published Mar 18, 2013
Astronauts capture the first confirmed image of the structure taken from the International Space Station.
Published Mar 4, 2013
ISERV Pathfinder camera system may eventually provide needed Earth observations to developing countries.
Published Mar 3, 2013
This volcanic island is home to perhaps the most remote permanent settlement on Earth.
Published Feb 18, 2013
“The biggest little city in the world” is nestled like a jewel amidst the mountains.
Published Feb 11, 2013
Underwater ridges and broad ocean currents help make waves beneath the waves.
Published Feb 4, 2013
Astronauts on the last voyage of the space shuttle Columbia captured this view of clouds over the Atlantic Ocean.
Published Feb 2, 2013
Once separated from the mainland, this volcano has the attention of scientists and emergency planners because of its proximity to several cities.
Published Jan 28, 2013
Noctilucent or “night shining” clouds form near the boundary of the mesosphere and thermosphere.
Published Jan 21, 2013
This city in Belgium is a hub of economic activity and tourism.
Published Jan 14, 2013
Among the oldest mountains in the world, the Appalachian chain is now relatively low but visually striking.
Published Jan 7, 2013
Like most cities in the western United States, the Dallas-Fort Worth area was laid out in a grid pattern.
Published Dec 31, 2012
Formed during four explosive eruptions that took place between 300,000 and 90,000 years ago, the volcanic caldera is now home to human settlements and 17 younger volcanoes.
Published Dec 24, 2012
This astronaut photograph highlights hundreds of rectangular fields along the Songhua River in eastern China.
Published Dec 17, 2012
This astronaut photograph was taken during the most recent activity at this volcano in the Bismarck Archipelago of Papua New Guinea.
Published Dec 10, 2012
The capital city of Saudi Arabia has grown dramatically in the last half century.
Published Dec 3, 2012
The combination of a low viewing angle, shadows, and height and distance from the volcanoes contributes to the appearance of topographic relief.
Published Nov 19, 2012
In this astronaut photograph from the International Space Station, the lights of Qatar show informative demographic detail that is very difficult to discern in daylight images.
Published Nov 12, 2012
One of the largest seaports on the East Coast, “Charm City” was briefly the capital of the United States.
Published Nov 5, 2012
This island off of Ecuador was formed by a shield volcano.
Published Oct 28, 2012
Exhaust trails mark the flight of a Soyuz rocket that delivered crew members to the International Space Station.
Published Oct 26, 2012
One of the largest mountains in the Cascade Range is also one of the most active volcanoes in the region over recent centuries.
Published Oct 22, 2012
This atoll of islands and reefs formed around a submerged volcano.
Published Oct 15, 2012
The colorful salt flat is a product of mineral-rich waters and a dry, flat landscape.
Published Oct 8, 2012
Smoke and natural wonders fill this scene shot from the International Space Station.
Published Sep 30, 2012
The patterns and colors of lighting reveal the urban geography of the capital city.
Published Sep 17, 2012
The cultural, economic, and historic heart of Turkey glows in the night.
Published Sep 10, 2012
Old volcanic domes form the backbone of the “smallest mountain range in the world.”
Published Sep 3, 2012
Close-packed beach ridges show the position of prior shorelines.
Published Aug 27, 2012
