A mining operation in China dominates the global market for rare metals used in consumer products.
Published Apr 21, 2012
Play geographical detective: Where on Earth is this image?
Published Jul 29, 2011
In northeastern Africa, the Earth is pulling apart at the seams and exposing some geological wonders.
Published Aug 27, 2014
The mountains of northeastern Oman are high and dry, but millions of years ago, they were underneath an ocean.
Published Apr 1, 2012
Heavy rains starting on November 2 pushed several rivers in southeastern Ethiopia over their banks.
Published Nov 19, 2008
Resembling a work of art, this Landsat image of fall colors in the mountains of central Pennsylvania illustrates both the yearly cycle of change in forests and fields and the slow shaping of a landscape over millions of years.
Published Dec 3, 2008
A key instrument on NASA’s new Earth-observing Terra satellite observed the San Francisco River region of Brazil.
Published Mar 20, 2000
