Tektites, rare natural glasses formed by ancient asteroid impacts, were found stretching across more than 900 kilometers of the country’s interior.
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Gold Mines Expose South African Children to Uranium
A new study found that children living near mine tailings in Johannesburg had nearly twice as much uranium in their hair as children not living near tailings—and the younger the children, the higher the uranium concentrations.
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Tracing the Eruption History of a Volcano in a Tourist Hot Spot
Sediment cores extracted from deep under the Aegean Sea reveal the timing of explosive eruptions of Kolumbo Volcano and a potential link to neighboring Santorini.
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These Underprotected Brazilian Wetlands Store Carbon with Staggering Density
The Cerrado, largely overlooked in climate science and policy, is a critical carbon sink, according to new research.
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The Planet That Shouldn’t Be There
A newly discovered exoplanet suggests that a different way to build planetary systems could be possible.
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Antarctic Peninsula Faces Starkly Different Futures, Depending on Decisions Made Today
A study reveals interconnected changes under three emissions pathways and describes the emerging challenges facing Antarctic fieldwork.
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Acidifying Seas Are Wearing Away at Underwater Archaeology
Marble, limestone, and other carbonate rocks used throughout antiquity could start dissolving as oceans soak up more carbon dioxide.
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Thousands Rally to Support the Need for Science in a Democracy
Dozens of Stand Up for Science gatherings nationwide focused on the importance of science for federal policymaking.
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COVID-19 Shutdowns Saw Human Emissions Slow, but Atmospheric Methane Surged
An uptick in wetland emissions, as well as a scarcity of atmospheric OH radicals, contributed to the counterintuitive methane spike.
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New Evidence Points to Venusian Lava Tubes, and They’re Really Big
Researchers bring new life to 30-year-old Magellan data to unearth the first direct evidence of the long-hypothesized structures.