A new analysis of cloud composition and behavior suggests that scientists have overestimated the ability of a type of mixed-phase ice-and-water cloud to mitigate climate change effects.
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Senate Pushes USGS Director for More Action on Minerals, Hazards
Suzette Kimball also tells senators that innovation is the characteristic she hopes to nurture the most as USGS director.
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Controversial Pacts Aim for Dam Removals on Western U.S. River
New agreements regarding the Klamath River in Oregon and California would enable the largest U.S. dam removal project ever. Critics say water quality will suffer, decry hydropower loss.
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Seven Ways Climate Change Threatens U.S. Population's Health
A report by the U.S. Global Change Research Program finds health risks from global warming tied to heat, air quality, vector-borne diseases, water issues, extreme weather, nutrition, and mental stress.
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Sound Waves Help Scientists Track Volcanic Eruptions
When sound waves hit the ground, they shake seismometers like earthquake waves. Scientists can now use these sound-induced seismic waves to investigate volcanic activity.
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A Warm Day Can Trigger Rockfalls
Research on a cliff face in Yosemite National Park finds that when rockfalls happen without an obvious cause, ordinary warming in the Sun could be the culprit.
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U.S.-Cuba Scientific Cooperation Revs Up
The administration has sought to promote scientific collaboration with Cuba by reducing restrictions on travel and equipment donations and forging research partnerships.
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Tide Pools Mimic Climate Change in Everyday Cycle
Researchers unexpectedly discovered that tiny shoreline ecosystems act as miniature laboratories in which ocean acidification and its effects play out nightly.
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Space Telescope Findings Suggest Molten Planetary Surface
Researchers studying the super-Earth 55 Cancri e spotted some puzzling features that provide a new vision of the orb's surface.