New simulations suggest sub-Neptune planets may be drier than thought, challenging the "water world" hypothesis and reshaping ...

Are Hycean exoplanets, which are a combination of hydrogen and a potential liquid water ocean, less common than previously hypothesized? This is what a rec | Space ...

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

An international team of scientists has studied potential 'water world' planets, finding that while exoplanets primarily composed of water, known as sub-Neptunes, may be rare, Earth-like planets could ...

Building blocks of life have been found on this moon of Saturn. They may come from chemical reactions beyond Enceladus’ possible life-supporting ocean.

The initial sniff of extraterrestrial air might already be within our telescopes’ reach. NASA’s James Webb Space Telescope ...