An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called ...

The James Webb Space Telescope investigated a giant planet, K2-18b, that could be an ocean world, according to NASA. The exoplanet lies 120 light-years away from Earth.

The quest for life beyond Earth has centered for decades on rocky, Earth-like planets, but a new class of enigmatic worlds ...

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

Temperate exoplanet LHS 1140 b may be a world completely covered in ice (left) similar to Jupiter’s moon Europa or be an ice world with a liquid substellar ocean and a cloudy atmosphere (centre ...

The most likely reason (when combined with other observation) for seeing 1000 times more of the chemical DMS would be that exoplanet K2-18B is an ocean planet teeming with life. This ocean filled with ...

A planet relatively close to Earth could be the first ever detected with a potentially life-sustaining liquid ocean outside our Solar System, according to scientists using the James Webb space ...

As much as 95% of an exoplanet's water could be trapped forever deep inside its iron core, transforming what we thought we knew about water worlds and potentially rendering them even more ...

The exoplanet LHS 1140 b has been an enticing object for astronomers ever since it was discovered in 2017. That's mainly thanks to its location, a mere 48 light-years away.