The troposphere, where humans reside, is the layer nearest to the Earth's surface. Extending from the surface up to approximately 4 to 12 miles, it constitutes the lower atmosphere.

When the Hunga Tonga-Hunga Ha’apai volcano erupted underwater in January, it created a plume of ash and water that broke through the third layer of Earth’s atmosphere.

The layers of the atmosphere shown to scale and a discussion of what happens at each layer. More for You. US launches ‘Canadian only’ deals to win back neighbors.

In the new study, researchers used data collected by NASA's Aura satellite to assess the amount of water that was thrust into the stratosphere, the second layer in Earth's atmosphere, which ...

The towering plume sent into the upper layers of the atmosphere contained enough water to fill 58,000 Olympic-size swimming pools, according to previous detections from a NASA satellite.