Earth's atmosphere is divided into several distinct layers, each characterized by specific temperature variations, composition, and phenomena. Below are the primary layers of the atmosphere, from the ...

Researchers have detected the chemical fingerprints of gases that on Earth are produced only by biological processes.

Scientists have found new but tentative evidence that a faraway world orbiting another star may be home to life. A Cambridge ...

"Either our models are in error, or the DMS/DMDS might not exist," Schwieterman told Space.com. "Finding life outside the ...

Seismic waves from earthquakes have always offered a window into Earth’s hidden interior. For decades, researchers believed ...

Even in the best of circumstances, however, talk of a biosignature is an invitation to scientists to think of alternative ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

A chemical called dimethyl sulfide popped up in an analysis of exoplanet K2-18b’s atmosphere. On Earth, it’s only made by ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they ...