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Earth Sciences Jul 20, 2026

Arctic winter sea ice returns to significant decline, ending the temporary slowdown

New analysis shows that a "pause" in Arctic winter sea ice decline seen in the early 2020s has ended following record lows in 2025 and early 2026. The study, led by the University of Southampton in collaboration with the ...

Earth Sciences Jul 20, 2026

Weather and human activity impact lake extremophiles

The Great Salt Lake is separated by a 20-mile (32-kilometer) causeway into a super-salty north arm and a less-salty south arm, with each hosting distinct communities of extremophiles. These organisms mingle at a gap in the ...

Archaeology Jul 19, 2026

Centuries before farming, hunter-gatherers introduced fish to the Norwegian mountains

Archaeologists have uncovered the remains of 7,000-year-old fish traps in the mountains of southern Norway, indicating that fish were intentionally introduced to upland lakes by Mesolithic hunter-fisher-gatherers and showing ...

Environment Jul 18, 2026

New environmental performance index highlights sustainability gains, and the challenges ahead

European countries continue to lead the world in environmental performance, according to the 2026 Environmental Performance Index (EPI), a biennial assessment produced by researchers at the Yale Center for Environmental Law ...

Plants & Animals Jul 18, 2026

Seasonal gene switch locks fruit flies in winter mode

Researchers at Washington State University have discovered a molecular "winter lock" that keeps animals in a less active winter state until favorable conditions return, a discovery that could improve pest control and lead ...

Plants & Animals Jul 17, 2026

Wild snapdragons paint themselves in subtle shades to attract bees

Just as careful blending of eye shadow can make a difference to our looks, a recent study has shown how flowers go to considerable trouble to fine-tune their shades. In the relentless competition to attract bees, a slight ...

Biotechnology Jul 17, 2026

Researchers identify class of 'oddball' meteorite that killed the dinosaurs

A rare CO chondrite meteorite was the probable impacter that struck Earth 66 million years ago, wiping out 75% of Earth's species, including nonavian dinosaurs. These findings are published in Science Advances. Researchers ...

Earth Sciences Jul 17, 2026

River bacteria consume methane but fall short as global warming boosts emissions

Alberto Borges, oceanographer at the University of Liège, has conducted a comparative study in Belgium and Africa on the microbial oxidation of methane in rivers, a natural process in which certain bacteria consume this powerful ...

Ecology Jul 17, 2026

How an influx of salt may affect microbial ecosystems in rivers, estuaries and coastal waters worldwide

As sea levels rise due to climate change, encroaching seawater will likely make freshwater environments saltier. In a new study, MIT researchers have shown how that increase in salinity might affect microbial ecosystems found ...

Environment Jul 17, 2026

New map shows which neighborhoods are at risk of climate gentrification

Extreme heat is not only making cities less livable; it is also reshaping who can afford to live where. The highest levels of vulnerability to climate gentrification are no longer found in the urban core, but in the metropolitan ...

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