The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.
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The Survival of Arctic Sea Ice May Depend on Its Travel Routes
Researchers find that the motions of ice parcels determine which ones survive the annual summer melt.
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Burning Cow Dung Emits an Inordinate Amount of Air Pollution in India
Dried cow dung, a main source of household cooking fuel for many in rural India, releases more particulate matter across the country than wood and other biofuels.
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Seismometers Track Atmospheric Shock Waves from Incoming Space Debris
A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.
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Meteorite Sheds Light on the Moon’s Impact History
Analysis has revealed the South Pole–Aitken basin is significantly older than other impact basins on the Moon, a finding that has implications for the evolution of the early solar system.
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Straightening Out Uranus’s Magnetosphere
New analysis of Voyager 2 observations shows that the craft arrived amid gusty solar wind, muddying our ideas about the giant planet.
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Geoscientists Demystify Baseball’s Magic Mud
Taking baseball’s mysterious Rubbing Mud into the lab revealed no magic ingredients—but plenty of useful natural properties from geomaterials.
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Here’s How the Hunga Tonga Eruption Sounded
New Zealanders’ experiences during the Hunga Volcano’s eruption match seismic monitoring data.
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Explore Washington, D.C.’s Science Scene
Earth and space science hot spots are sprinkled throughout the D.C. metro region.
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Planetary Perturbations May Strengthen Gaia
Large-scale disruptions to life may ultimately increase ecological complexity over geologic timescales, though the risk of extinction always looms.