First Satellite Measurement of Water Volume in Amazon Floodplain

  The Amazon is the largest drainage basin in the world. And for the first time – thanks to satellites — scientists have been able to measure the amount of water that rises and falls annually in the Amazon River floodplain. An international squadron of...

Opportunity Braves Martian Dust Devil

NASA Mars Exploration Rover Opportunity has spotted and photographed its first Dust Devil. The grainy black and white image was snapped by the rover’s camera on July 15, one day after a Martian breeze cleared Opportunity’s solar arrays of dust, producing a...