An alarming streak of exceptional temperatures has put 2025 on course to be among the hottest years ever recorded, the United ...

US and European stocks slumped Thursday as investors weighed another wave of corporate results, economic data and the ...

PM2.5 refers to tiny pollutants smaller than 2.5 micrometers in diameter. These particles are often the focus of air-quality health advisories, because they can travel deep into the lungs and enter ...