As unprecedented heat melts long-frozen tundra, runoff is altering the composition of Arctic rivers and streams. One such waterway is Tukpahlearik Creek in northern Alaska, which recently turned a ...

Credit: Bureau of Land Management, Alaska Fire Service Chunks of carbon-rich frozen soil, or permafrost, undergird much of the Arctic tundra ... radical reshaping of Northern latitudes across ...

Unless their bodies happen to be frozen ... Alaska sites in Healy and also near Delta Junction and Fairbanks in late summer 2024. He found more carbon emissions from northern forests and tundra ...

Regina Bailey is a science writer, educator, and board-certified registered nurse. Her work has been featured in "Kaplan AP Biology" and "The Internet for Cellular and Molecular Biologists.