To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of Earth, to the stratospheric polar vortex.

Historically, TV meteorologists have been wary about talking on air about how daily weather is connected to climate change, ...

Water is made of hydrogen and oxygen, and sometimes these atoms are slightly heavier than usual. These heavier forms are called isotopes. As water evaporates or moves through the atmosphere, the ...

A blast of winter cold doesn’t contradict climate change — it often reflects how a warming planet is making weather more extreme and less predictable.

Global climate models capture many of the processes that shape Earth's weather and climate. Based on physics, chemistry, ...

China's sweeping efforts to clean up its air have delivered one of the biggest public health success stories of recent ...

A major storm took hold across swaths of the central and southern United States on Wednesday unleashing extreme flooding and huge tornadoes from Arkansas up to Michigan. And conditions are expected to ...

Billions upon billions of soot particles enter Earth’s atmosphere each second, totaling about 5.8 million metric tons a year — posing a climate-warming impact previously estimated at almost one-third ...

Full Earth disc image from the MTG-S Infrared Sounder showing a surface-temperature-sensitive channel, captured between 12:45 and 15:30 UTC on 15 November 2025. The image distinguishes land and sea ...