New observations of stars hundreds of light-years from Earth reveal evidence of planets still surrounded by disks of the primordial materials they grow from.
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Antarctic Sediment Plume Disrupts Deep-Water Community
Increased sedimentation from a melting glacier inhibits filter feeders in an Antarctic fjord.
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Active Mud Volcano Field Discovered off Southeast Alaska
A cruise to study landslide potential along an earthquake-prone fault found a surprising methane plume.
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U.S. Climate Change Negotiator Says Time Is Right for a Deal
With the United Nations climate change conference imminent, the U.S. special envoy for climate change optimistically outlined what sort of agreement could drive the transition to a low-carbon world.
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Purple Hearts Honor Four Meteorologists Killed in World War II
Seventy-three years after they died in a German U-boat attack, a ceremony posthumously honors the U.S. Weather Service workers and highlights the importance of weather forecasting during the war.
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Earth's Water Came from Space Dust During Planetary Formation
A new analysis of lava from the deep mantle indicates that water-soaked dust particles, rather than a barrage of icy comets, asteroids, or other bodies, delivered water to the newly forming Earth.
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New Study Reveals How Much Groundwater Remains
Researchers have calculated for the first time the volumes of recently accumulated groundwater reserves worldwide—the "young" groundwater that most of humanity depends on.
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Ice Loss Benefits Adélie Penguins—For Now
New research that may presage effects of climate change on this species looks back 22,000 years, finding robust growth in the East Antarctic population as melting followed the last ice age.
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Climate Change Is a Conservative Issue, British Minister Says
The UK foreign minister argues for dealing with climate change with market-based solutions. Asked separately about this approach, a U.S. cabinet secretary supports the general goal.
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Jupiter's Europa Helps Earthlings See Sister Moon's Volcano
By briefly slipping between Earth and sister Jovian moon Io, Europa fortuitously enabled an Earth-based telescope to observe, with greater detail than ever before, a huge, puzzling volcano on Io.