Four southern giant hornets have turned up in Spain. Similar stingers, known for honeybee attacks, had the Pacific Northwest on edge a few years ago.

Nature Communications - Rapid temperature flips between hot and cold extremes will become more frequent, more intense, and more rapid globally by the end of the twenty-first century, which is...

It's back.

Abstract. The levels of carbon dioxide (CO2), a powerful greenhouse gas, have risen dramatically over the past century, leading to widespread ecological ef