NASA counts down to nail-biter Pluto flyby (Update 3)
An unmanned NASA spacecraft will reveal details of Pluto's surface for the first time Tuesday, as it speeds by the dwarf planet after a near decade-long journey.
An unmanned NASA spacecraft will reveal details of Pluto's surface for the first time Tuesday, as it speeds by the dwarf planet after a near decade-long journey.
Space Exploration
Jul 13, 2015
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133
A new review analyzing three decades of research on the historic effects of melting polar ice sheets found that global sea levels have risen at least six meters, or about 20 feet, above present levels on multiple occasions ...
Earth Sciences
Jul 9, 2015
30
198
Polar bears are at risk of dying off if humans don't reverse the trend of global warming, a blunt U.S. government report filed Thursday said.
Ecology
Jul 1, 2015
14
24
In the late spring and summer, unusual clouds form high in the atmosphere above the polar regions of the world. As the lower atmosphere warms, the upper atmosphere gets coooler, and ice crystals form on meteor dust and other ...
Earth Sciences
Jun 22, 2015
0
13
From heat waves to damaged crops to asthma in children, climate change is a major public health concern, argues a Michigan State University researcher in a new study.
Environment
Jun 15, 2015
1
33
Many human communities want answers about the current status and future of Arctic marine mammals, including scientists who dedicate their lives to study them and indigenous people whose traditional ways of subsistence are ...
Earth Sciences
Apr 30, 2015
1
61
ESA's ice mission has become the first satellite to provide information on Arctic sea-ice thickness in near-real time to aid maritime activities in the polar region.
Earth Sciences
Apr 17, 2015
0
20
A group of researchers say polar bears forced off melting sea ice will not find enough food to replace their current diet of fat-laden marine mammals such as seals, a conclusion that contradicts studies indicating that bears ...
Ecology
Apr 1, 2015
5
12
For Arctic marine mammals, the future is especially uncertain. Loss of sea ice and warming temperatures are shifting already fragile Northern ecosystems.
Ecology
Mar 17, 2015
1
97
The balmy islands of Seychelles couldn't feel farther from Antarctica, but their fossil corals could reveal much about the fate of polar ice sheets.
Earth Sciences
Jan 8, 2015
1
565