February 21, 2015
The year 2014 was Earth’s warmest in 134 years of records, according to an analysis of surface temperature measurements by scientists at NASA’s Goddard Institute for Space Studies (GISS). In a separate, independent analysis, scientists at the National Oceanic and Atmospheric Administration (NOAA) also found 2014 to be the warmest on record. With the exception
December 13, 2014
For more than a month, the northern Syrian city of Kobani has been at the heart of the struggle between Islamic State (ISIS) fighters and Kurdish defenders, who are battling to stop the region from falling into the hands of the militants. ISIS launched its first attack on the Syria-Turkey border town in September 2014
September 15, 2014
Although sunglint washes out many features, it also reveals details about the water and atmospheric circulation that may be hidden.
June 12, 2014
Climate change is already affecting the American people in far-reaching ways.” So begins an extensive report issued by the U.S. Global Change Research Program on May 6, 2014. The Global Change Research Act of 1990 requires that Congress and the president should be presented every four years with an assessment of the effects of climate
April 11, 2014
For many North American residents, the winter of 2013-2014 seemed like one of the coldest in many years. Waves of Arctic air brought extended periods of cold weather and above-average snowfall to the middle and eastern portions of the United States and Canada. Seven Midwestern states had one of their top-10 coldest winters, and the
February 14, 2014
The intense cold snap that gripped much of central Canada and the United States in early January 2014 brought thick and widespread ice to the Great Lakes. Though parts of the lakes freeze every winter, several news media and meteorologist accounts suggested that January ice cover was thicker and more widespread than it has been
December 18, 2013
On Sept. 24, 2013, a major earthquake rattled western Pakistan, killing at least 350 people and leaving more than 100,000 homeless. Amidst the destruction, a new island was created offshore in the Paddi Zirr (West Bay) near Gwadar, Pakistan. Likely a “mud volcano,” the island rose from the seafloor near Gwadar on Sept. 24, shortly
October 17, 2013
Tom Painter is very interested in the purity of snow. Based at NASA’s Jet Propulsion Laboratory and the University of California, Los Angeles, he studies how much water is stored in snowpack and how that snow looks to satellites. He also studies the effects of light-absorbing impurities—dark-colored particles like dust and soot that coat snow.
June 26, 2013
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June 26, 2013
Landsat satellites were designed to gather images of Earth’s land surfaces. During the last four decades, however, the satellites also have been useful for observing blue parts of the planet. Landsat particularly has enriched the study of coral reefs. Scientists used earlier generations of Landsats to create a global image library of coral reefs. They