Earlier this year, astronomers reported possible evidence of life on another planet – but new observations from JWST suggest ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Today we’re ditching the drama on Earth and talking about K2-18b, an exoplanet 120 light-years away. K2-18b recently made headlines after researchers claimed to observe possible “signs of life ...

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b. The news made headlines. Researchers said they'd detected sulphur-based gases that, on Earth ...

Without knowing what K2-18b’s geochemistry and atmosphere are really like, scientists can’t confidently exclude the possibility that alien chemistry, not alien life, is the source of the DMS.

A study suggesting the exoplanet K2-18b shows potential signs of alien life has been met with skepticism from the scientific community. Here’s the truth about what the James Webb Space Telescope ...

Science & Environment Are there signs of life on alien planet K2-18b, or is it just a lot of hot air? By Nell Greenfieldboyce (NPR) April 18, 2025 3:21 p.m. 00:00 ...

K2-18b discovery fuels alien life hopes, but scientists warn contact remains risky Chemical makeup of K2-18b is a huge leap towards the presence of extraterrestrial life.

NASA's James Webb Space Telescope has observed K2-18b, an exoplanet 8.6 times as massive as Earth, revealing conditions that could support life on the exoplanet.

K2-18b is a bit unusual as a planet in the “habitable zone,” where the temperature is just right for water to exist and support life as we know it.

One of the most profound questions we can ask is whether there are living organisms elsewhere in the universe.

K2-18b may be a promising candidate for identifying extraterrestrial life. But excitement about biosignatures such as DMS disguises deeper, theoretical problems that also need to be resolved.