K2-18b recently made headlines after researchers claimed to observe possible “signs of life” in the planet's atmosphere. So, ...

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

Astronomers have detected molecules on exoplanet K2-18b that may have been produced by simple organisms, claiming it's the strongest evidence yet of life off Earth.

A team of researchers has recently claimed they have discovered a gas called dimethyl sulfide (DMS) in the atmosphere of K2-18b, a planet orbiting a distant star.

Observations by the James Webb space telescope find possible biological activity on a giant planet 124 light-years from Earth ...

In fact, the life that could be – emphasis on the could be – thriving on a distant ocean-covered planet named K2-18b is likely not intelligent at all. But that doesn't make the recent ...

"It's almost certainly not life," Tessa Fisher, an astrobiologist at the University of Arizona who was not involved in the research, told Nature.com. So what did JWST actually find on K2-18b, and how ...

Extraordinary claims require extraordinary evidence. That truism, now known as the "Sagan standard" after science ...

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

By comparing those fingerprints to 20 different molecules that they would potentially expect to observe in the atmosphere, ...

Independent analysis raises doubts about alien life on exoplanet K2-18b Weak sulfur gas signals found in K2-18b data earlier ...

K2-18b resides within the habitable zone of its star, making the presence of liquid water and thus life possible. Using the James Webb Space Telescope, researchers detected molecules in K2-18b's ...