Bigach Impact Crater in northeastern Kazakhstan is about five million years old—long enough to be reshaped by geologic process, erosion, and human activity.
Published Oct 3, 2011
Viewed from the space station, Hurricane Katia presented an impressive cloud circulation as its center passed the northeastern coast of the United States on September 9, 2011.
Published Sep 26, 2011
This photograph taken by an astronaut on the International Space Station highlights a sand dune field within the Burqin-Haba River-Jimunai Desert near the borders of China, Mongolia, Russia, and Kazakhstan.
Published Sep 19, 2011
Petermann Ice Island A still behaves like the massive ice sheet it left 14 months ago.
Published Sep 17, 2011
California’s Owens Lake was once part of a much larger lake and river system during the Pleistocene Epoch (about 3 million to 12,000 years ago).
Published Sep 12, 2011
This panoramic view of east-central Texas highlights numerous smoke plumes caused by wildfires burning across the state.
Published Sep 8, 2011
Clusters of yellow lights on the Indo-Gangetic Plain reveal numerous cities large and small, as well as a border fence.
Published Sep 5, 2011
Several of the oldest cities of northwestern Europe are highlighted in this nighttime astronaut photograph from August 10, 2011.
Published Aug 29, 2011
This ISS photograph captures two great lagoons to the north and south of Kaliningrad, Russia: Vistula Lagoon and Kurshsky Bay.
Published Aug 22, 2011
Astronauts captured this unusual view of a Perseid meteor descending into Earth's atmosphere in August 2011.
Published Aug 17, 2011
Crete is the largest and most heavily populated island of Greece.
Published Aug 15, 2011
A smoke pall dominates this view of tropical southern Africa, one of the most fire-prone regions of the world.
Published Aug 8, 2011
Bathed in sunlight reflecting on the water, the Massachusetts coast and islands are the focus of this astronaut photograph.
Published Aug 1, 2011
Space Shuttle Atlantis streaked across the sky to its final landing at Kennedy Space Center.
Published Jul 28, 2011
Taken July 8, 2011, this astronaut photograph shows the border region of Turkey, Armenia, and Iran, including the Aras River.
Published Jul 25, 2011
Astronauts supplied the International Space Station with a new logistics module; tested tools, technologies, and techniques to refuel satellites in space; and collected old equipment.
Published Jul 21, 2011
The Shoemaker impact site in Australia may have been formed as long as 1.63 billion years ago.
Published Jul 18, 2011
Space Shuttle Atlantis approaches the International Space Station for docking for the last time on July 10, 2011.
Published Jul 15, 2011
The twin cities of Sault Ste Marie straddle the border of Canada and the U.S. and lie amidst the lakes and islands that separate Lake Huron and Lake Superior.
Published Jul 11, 2011
City lights trace the outline of Italy's “boot” and the island of Sicily.
Published Jul 4, 2011
Sometimes called the Jewel of the Kalahari, the area is an enormous, pristine wetland that almost miraculously appears out of a desert.
Published Jun 27, 2011
Astronauts on the International Space Station snapped this photograph of the volcano in Eritrea just months before it erupted for the first time in recorded history.
Published Jun 20, 2011
This astronaut photograph highlights two biologically productive estuaries on the coast of Madagascar.
Published Jun 13, 2011
Ä°zmir is Turkey’s third most populous city and its second largest port, and its history dates back at least 3,500 years.
Published Jun 6, 2011
The Ar Rub’ al Khali, or Empty Quarter, covers much of the south-central portion of the Arabian Peninsula and is the largest continuous sand desert on Earth.
Published May 30, 2011
One of the largest conurbations in the world is located along East Coast of the United States, and stretches from Boston to Washington.
Published May 23, 2011
This astronaut photograph highlights two river deltas along the southwestern shoreline of Lake Ayakum, near the northern boundary of the Tibetan Plateau.
Published May 9, 2011
The changeover between day and night is marked by the terminator, a line on Earth's surface separating the sunlit side from the darkness.
Published Apr 25, 2011
A photograph of an uninhabited atoll in the Indian Ocean has an almost surreal quality due to varying degrees of sunglint.
Published Apr 18, 2011
Astronauts on flight STS-1 captured this view of the Tigris and Euphrates through a viewport on the space shuttle during its first flight in April 1981.
Published Apr 13, 2011
