A layer of charged particles, called the ionosphere, surrounds Earth, extending from about 50 to 400 miles above the surface of the planet. Disclaimer: AAAS and EurekAlert! are not responsible for ...

In 2025, around 120 SpaceX Starlink satellites re-entered Earth’s atmosphere and burnt up upon descent. These artificial ...

With that the amount of alumina released into the mesosphere and upper stratosphere — the otherwise pristine middle layers of the atmosphere — has been skyrocketing. Air pollution in the ...

Most satellites orbit in the thermosphere, a layer of Earth’s upper atmosphere. Naturally, this layer expands and contracts with the sun’s activity. But this new study reveals a more concerning trend.

Atmospheric physicists Paul Newman and Luke Oman built a simulation of the Earth’s atmosphere and then proceeded to strip away our protective ozone layer. Their computer model reproduced the chemistry ...

The Earth’s atmosphere is the relatively thin layer of gases surrounding the planet. The atmosphere is held close to Earth by gravity, but the higher you go away from the Earth’s surface ...

Human activities have been the main cause of rising carbon dioxide levels in our atmosphere since the 1800s. The emergence of life on our planet added a new layer to the carbon cycle. As plants grow, ...