The idea of a Hycean world is Dr Madhusudhan’s suggestion for an answer which would apply to planets like K2-18 b. It imagines a core of rock and iron about the size of Earth that is covered by ...

Scientists have found strong signs of possible life on exoplanet K2-18b, a potential "Hycean world," suggesting new avenues in the search for alien life. Public perceptions of alien life ...

An illustration shows a hycean world – an exoplanet with a liquid water ocean beneath a hydrogen-rich atmosphere – orbiting a red dwarf star. Based on observations by the James Webb Space ...

"Given everything we know about this planet, a Hycean world with an ocean that is teeming with life is the scenario that best fits the data we have." Scientists have found further evidence of ...

and the best candidate for a hycean world is the planet K2-18b. This exoplanet, which is categorized as a "sub-Neptune" world, orbits in the habitable zone of a red dwarf star 124 light-years from ...

"The only scenario that currently explains all the data obtained so far from JWST (James Webb Space Telescope), including the past and present observations, is one where K2-18 b is a hycean world ...

A team of scientists using the James Webb Space Telescope believe exoplanet K2-18b is a Hycean world, covered in a global ocean. Credit: Shang-Min Tsai / UCR illustration A team of scientists is ...

Illustration shows hycean world, an exoplanet with a liquid water ocean beneath hydrogen-rich atmosphere. In a potential landmark discovery, scientists using the James Webb Space Telescope have ...

The space telescope detected carbon dioxide and methane in the atmosphere of a candidate Hycean world called K2-18b. Both of ...

K2-18b, which orbits a star 124 light-years from Earth is a “Hycean planet” — meaning it’s home to an abundance of a life. A handout artist’s impression released on April 17, 2025 by N.

A handout artist's impression released on April 17, 2025 by N. Madhusudhan/University of Cambridge, shows the K2-18b super-Earth, a hycean world, such as exoplanet K2 ...