Before, the seasons seemed etched into the calendar, with well-defined periods of drought and rain. Today, the climate has ...

To a layperson, it’s footage of adorable polar bear cubs with their moms against the backdrop of endless Arctic snow. For researchers who study the animals, however, it’s a rare and incredibly ...

In the early hours of Dec. 22, 2024, fishermen working in the Talara Sea in northern Peru hauled in their nets. But instead of the day’s catch, they found oil impregnating their gear. Hours later the ...