New evidence of ice volcanoes and of middle-aged terrains on Pluto's surface suggests that the dwarf planet has remained geologically active ever since it first formed billions of years ago.
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New Spin on Pluto's Moons
Strangely speedy rotation rates of Pluto's tiny orbiting companions show up in a trove of images taken as the New Horizons spacecraft approached the dwarf planet last spring and early summer.
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How Bat Breath and Guano Can Change the Shapes of Caves
Researchers working in caves in Borneo and elsewhere are finding evidence that biological processes shape many tropical caves by slowly eating away at surrounding rock.
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White House Plan Focuses on Hazards from Solar Storms
Space weather has its day in the Sun, with the administration issuing a new strategy and action plan to increase protection from damaging solar emissions.
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Cave-Dwelling "Slime Curtains" Cycle Nitrogen and Iron
In a cave accessible only by daredevil divers, extraordinary microbial colonies metabolize nitrogen and iron nutrients and possibly remove pollutants from water.
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Researchers Track Underwater Avalanches Like Never Before
Using beach ball–like detectors, researchers set out to determine how sediments, which could contain toxic contaminants, travel through submarine canyons to greater depths.
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Targets of Biggest Global Carbon Emitters Flunk Fairness Test
Pledges so far by the United States, European Union, and China would require all other countries to emit 7 to 14 times less per capita than those three regions by 2030 to limit warming to 2°C.
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USGS Acting Director Receives Support at Senate Hearing
Confirmation of Suzette Kimball as U.S. Geological Survey director might happen this time. In 2014, a Senate committee approved her nomination, but Congress adjourned before voting on confirmation.
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Cassini Probe Dives Through Enceladus Plume
NASA's Cassini probe takes a trip through a cosmic sprinkler to learn more about a subsurface ocean.
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White House Science Adviser Blasts Congress at NSF Meeting
John Holdren, science adviser to President Obama, critiqued geoscience budget cuts passed by the House of Representatives and Congress members equating geosciences with climate change research.