14+ hour, 15+ min ago   (1028+ words) Drilled cores from Galápagos coral carry an ocean temperature record back to the year 1000, and recent decades break the pattern. When the tropical Pacific warms every few years, the weather turns strange thousands of miles away. Direct measurements of that…...

18+ hour, 3+ min ago   (1015+ words) Lakes across northern North America buried carbon at a steady rate for thousands of years, but that changed dramatically after 1850. Leaves, pollen and washed-in soil sink to the bottom of a lake and settle into mud, and the carbon in…...

21+ hour, 33+ min ago   (840+ words) A bizarre belemnite fossil from Wyoming has been identified as a new species, revealing the thickest known member of this ancient squid relative group. There’s a fossil in a Wyoming museum drawer that spent two decades being, essentially, a mystery…...

2+ day, 12+ hour ago   (1043+ words) Coral reefs are under growing heat stress, but a new field test suggests researchers may have another tool to help them cope. Coral probiotics have worked in tanks for years, where a researcher controls the water and decides when the…...

2+ day, 16+ hour ago   (980+ words) Planting trees in snowy regions can reduce their climate benefit because dark forest canopies absorb sunlight that bright snow would reflect. Forest trees pull carbon out of the air, so Canada pays to plant them. In snow country, the land…...

2+ day, 15+ hour ago   (984+ words) Small stickleback shoals lined up and swam closer together in murky water, and the tighter fish groups reached food faster. A shoal of fish stays together mostly by sight. Each fish watches its neighbors and adjusts, so when silt or…...

2+ day, 22+ hour ago   (574+ words) A 22% drop in butterfly populations from 2000 to 2020 signals a troubling, widespread decline across the broader pollinator community. Scientists count butterflies more thoroughly than any other insect, which makes them an early-warning system for the health of other animal species that…...

2+ day, 20+ hour ago   (697+ words) A massive dust storm swept across West Africa in early September, sending a plume over Mali and eventually toward the Atlantic Ocean. Today’s Image of the Day from NASA Earth Observatory shows a massive cloud of dust sweeping across West…...

2+ day, 21+ hour ago   (1005+ words) Overlooked ocean foods such as oysters, mussels, shrimp and other invertebrates deliver surprisingly large amounts of essential vitamins and minerals. Fisheries and fish farms report their output in tons, which measures how much food there is but not what’s in…...

3+ day, 15+ hour ago   (1027+ words) Methane in Arctic glacier rivers on Svalbard came from ancient shale, not microbes, and the yearly total is tiny next to what people emit. A glacier melts from the top, and the water runs off in rivers barely above freezing....