This lagoon along the Brazil-Uruguay border formed when sea level was much higher, and has since evolved from a marine to freshwater lake.
Published Jan 16, 2017
An astronaut photographed the interplay of light and wind on South America’s largest lake.
Published Jan 9, 2017
Different farming patterns mark various attempts to grow crops on the dry North African landscape.
Published Jan 2, 2017
Salt and wind have painted a colorful, swirling landscape in the highlands of central Chile.
Published Dec 26, 2016
This ancient rock is one of Australia’s major tourist attractions and a sacred place for indigenous people.
Published Dec 19, 2016
Situated on the Idaho-Utah border, it is one of the bigger lakes in the Rocky Mountains.
Published Dec 11, 2016
Hundreds of lakes and ponds dot this inland delta in Argentina.
Published Dec 5, 2016
Thin layers of lighter and darker blues reveal the many layers of the atmosphere.
Published Nov 28, 2016
These white mounds are the world’s largest gypsum dune field, centerpiece of the White Sands National Monument.
Published Nov 27, 2016
Dunes grow upon dunes at one of the most visually spectacular places on Earth, at least from an astronaut’s perspective.
Published Nov 21, 2016
Thunderhead anvils stretch out in three dimensions against the thin blue envelope of the atmosphere.
Published Nov 14, 2016
The shallow seas allow us to see vivid details of how waves, winds, and tides shape the islands.
Published Nov 7, 2016
Once clouds have cleared away, the effects of major storms often can be viewed from space for days and weeks.
Published Oct 31, 2016
The inland sea in Central Asia has a host of distinctive features along its shores.
Published Oct 24, 2016
The dark, pine-covered slopes rise up from the Great Plains like an island from a sea of grass.
Published Oct 23, 2016
The islands of this tourist mecca are actually the rim of an old volcano.
Published Oct 17, 2016
Parts of the Glen Canyon that John Wesley Powell explored in 1869 have been submerged by Lake Powell.
Published Oct 16, 2016
These wide Australian floodplains are unique on the planet. Scientists think they are caused by the extreme variation in water and sediment discharges from the local rivers.
Published Oct 10, 2016
Great Aletsch in Switzerland is the largest glacier in Europe.
Published Oct 3, 2016
Utah Lake and the Wasatch Mountains frame a beautiful landscape around Provo.
Published Sep 26, 2016
Reflections off the water surface show an interlinked mass of currents and eddies in the shallow water north of Prince Edward Island.
Published Sep 19, 2016
Madrid is the political, economic, and cultural center of Spain.
Published Sep 12, 2016
An astronaut caught an unlikely glimpse of a wide swath of Greenland, which is often cloud-covered and far from the northernmost orbit of the space station.
Published Sep 5, 2016
The political and economic hub of the Philippines has a long history of globalization.
Published Aug 29, 2016
Bosten Lake, one of the largest inland lakes in China, and the Kaidu River have made this dry landscape habitable.
Published Aug 22, 2016
Aden lies near the south end of the Red Sea, at a critical point where major sea lanes converge—between Egypt and the Mediterranean Sea, the Persian Gulf and India, and the long shoreline of East Africa.
Published Aug 15, 2016
An astronaut aboard the International Space Station adjusted the camera for night imaging and captured the green veils and curtains of an aurora that spanned thousands of kilometers over Canada.
Published Aug 8, 2016
Clusters of dark green fields stretch away from the hills like fingers across this alluvial fan in Afghanistan.
Published Aug 1, 2016
The radial pattern of highways echoes the ancient saying that “all roads lead to Rome.”
Published Jul 28, 2016
The development includes a vast network of constructed canals totaling more than 400 miles—perhaps the longest canal shoreline in the world.
Published Jul 25, 2016
