Northeastern Nevada has a geological feature rich with gold.
Published Aug 27, 2017
Wild patterns on the water's surface are evidence of the fluid dynamics that occur when fresh river water meets sea water.
Published Aug 20, 2018
Dissolved organic matter from forests and wetlands stained the water dark brown near Rupert Bay. A similar process darkens tea.
Published Oct 1, 2016
Acquired December 4, 2009, this true-color image shows the Sunrise Dam Gold Mine, roughly 55 kilometers (35 miles) south of Laverton, Western Australia.
Published Dec 20, 2009
The winter-white Alaska shoreline provides a vivid contrast to the turquoise swirls in the black waters of the Gulf of Alaska. This burst of color in an otherwise black-and-white scene is caused by sediment, ground into fine powder by mountain glaciers and carried into the Gulf of Alaska through many waterways. The largest contributor of sediment shown in this photo-like image is the Copper River, immediately east of Prince William Sound.
Published Jan 18, 2007
Rising and falling seas and ancient rivers formed a bay lined with the whitest sands in the world.
Published May 11, 2013
The city’s economic engine is also a worrisome source of pollution.
Published Mar 16, 2019
Natural vegetation and irrigated farmland along the Snake River Plain in Idaho use dramatically different amounts of water during the growing season.
Published Jan 26, 2010
The green color associated with phytoplankton around Greenland is not uniformly distributed, nor are the patterns random.
Published Oct 4, 2016
Ghostly blue-green in Antarctica’s Mackenzie Bay likely owes its existence to a complicated mix of cold temperatures and changing water pressure.
Published Feb 23, 2012
Natural-color satellite images can capture art-like beauty when sediments trace water currents and eddies; other kinds of data can make that art intersect with scientific understanding.
Published Feb 1, 2020
Along the northern Arctic shores of Alaska, ice, snow, and cold dominate the landscape, even on a sunny day in June.
Published Feb 19, 2006
