Biologists battle over North America's largest crayfish

Thawing permafrost is turning Arctic rivers orange, with researchers finding waters more acidic and metallic than mine drainage

Scientists Found a Deep-Sea ‘Death Pool’ That Vanished. It May Show How Earth's First Life Survived

A large study says a higher amount of midlife visceral fat is strongly linked to increased brain inflammation and early biological signs of Alzheimer's disease up to 20 years before memory symptoms ap