New satellite data has revealed a shocking decline in sea ice at both the Arctic and Antarctic, with coverage shrinking to a ...
Beginning around 2.5 million years ago, Earth entered an era marked by successive ice ages and interglacial periods, emerging ...
Researchers from the University of Padua in Italy found a juniper at Utsjoki in Finnish Lapland, which they analyzed to be ...
President Trump has been pushing tariffs in the first weeks of his new term. What are tariffs? How do they work? Are they good policy? We explore these questions, and others, in this lesson. By ...