Between 50 and 1,000 kilometers above our heads is the ionosphere, a layer of Earth's upper atmosphere consisting of charged ...

Lichen from the Mojave Desert has stunned scientists by surviving months of lethal UVC radiation, suggesting life could exist ...

Researchers have created a dataset of the whole atmosphere, enabling new research to be conducted on previously difficult-to-study regions. Using a new data-assimilation system called JAGUAR-DAS ...

Troposphere: This layer extends from the Earth's surface up to 5-9 miles. This is where we live and where most weather occurs. Roughly 75% of the atmosphere's mass and most of its water vapor are ...

The Earth's atmosphere is divided into five main layers: Troposphere, Stratosphere, Mesosphere, Thermosphere, and Exosphere.

The exosphere is the outermost layer of Earth’s atmosphere, where space begins. It has almost no air, and satellites orbit here before fading into space. ...

In 2025, around 120 SpaceX Starlink satellites re-entered Earth’s atmosphere and burnt up upon descent. These artificial meteor showers, visible across the globe, have raised concerns about ...

Re-entry risks The rapid roll-out of satellite mega-constellations such as Starlink (photographed here over Carson National Forest, New Mexico) could pose a threat to Earth’s protective ozone layer.