Satellites in the sky combined with computers on the ground detect and track volcanic ash clouds, like those produced by Soufrière St. Vincent in April, in near-real time.
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Earthquake Alerts Go Live in the Pacific Northwest
Oregon and Washington residents will receive an alert on their cell phones if they are in danger from an incoming quake.
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Noctilucent Clouds Light Up Northern Germany
A shift in the tropopause jet may have triggered the unusual number of high-altitude clouds that briefly appeared in the early summer of 2019.
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Paying Attention to the “Ignorosphere”
Scientists discuss geospace and what we could learn if we put some more eyes on this region in the atmosphere. Read more in our special themed issue.
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Mapping the People, Places, and Problems of Permafrost Thaw
By combining demography data with permafrost maps, researchers provide a first count of the population on permafrost and predict its imminent decline.
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Landslides Mar the “Pearl of Africa”
Behind Uganda’s lavish beauty, climate change has taken its toll: Death, destroyed properties, and displaced communities increase as above-normal rainfall floods the country.
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Making the Universe Blurrier
Climate change appears to be directly and indirectly affecting the view from at least one observatory while threatening the existence of others.
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Migrant Workers Among the Most Vulnerable to Himalayan Disasters
Critics say companies are failing to develop adequate emergency procedures to protect construction workers on hydropower plants in the Himalayas.
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Rare Wintertime Thunderstorms Recorded over the U.S. Gulf Coast
“Thundersnow”—thunderstorm activity accompanying a winter storm—was spotted near southern Texas earlier this year.
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Oak Trees Offer a Continuous Climate Record for Central Europe
A method using nonpooled, continuous stable carbon and oxygen isotopes recorded in oak trees benefits climate reconstructions.