The atmosphere is a mixture of gases. The atmosphere is mostly nitrogen (approximately 80%) and oxygen (approximately 20%). The remaining gases are found in much smaller proportions, such as ...

But contrary to popular belief, Earth's atmosphere has no clear or official boundary. Earth's gravity hugs most of the densest gases close to its surface, including oxygen, nitrogen, carbon ...

Penned by two boffins from MIT, and another from the University of Birmingham, the paper opens with the observation: "Anthropogenic contributions of greenhouse gases in Earth's atmosphere have ...

“Xenon is a noble gas which, being chemically inert and having nine isotopes, is an ideal element to reveal the xenon isotopic composition in the Earth’s primary atmosphere. This also makes it an ...

The Earth’s atmosphere exerts a constant pressure on everything at ... The Earth’s atmosphere, though made up of light gases, ...

Methane is a more powerful greenhouse gas than carbon dioxide, but there is far less of it in the atmosphere and it does not stay there as long. Methane is more than 25 times as potent as carbon ...