Scientists found that volcanic eruptions triggered short-lived oxygen spikes before Earth's air became breathable.

The study builds on previous research investigating different biosignature gases, including dimethyl sulfide, another ...

Ancient eruptions may have triggered conditions for oxygen ‘whiffs’ in the atmosphere In a nutshell Massive volcanic events ...

plus trace amounts of other gases. The atmosphere has four layers. The troposphere is the layer closest to the surface of the Earth. Next is the stratosphere, which is where commercial airplanes fly.

Scientists discovered that volcanic eruptions in India’s Deccan Traps 66 million years ago released gases that altered ...

though not as drastically different in composition as you might assume. Earth's atmosphere is composed of 78% nitrogen gas (N2) and 21% oxygen gas (O2). The final 1% is a mix of argon, carbon ...

“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 ...

Emissions, chemistry and loss processes of organic carbon in both the gas and particle phases in the ... Analysis of satellite remote sensing data on the composition of Earth's atmosphere.

In a phone interview with The Guardian on Feb. 19, Kuljeet Grewal explained the effects of greenhouse gas emissions in the Earth’s atmosphere.