Sub-Neptune planets, often billed as possible "water worlds," may be more desert than deep sea, according to a new study. For years, scientists thought these planets, which are larger than Earth but ...

Explore how astronomers aim to identify signs of alien life by analysing the atmospheres of distant exoplanets through ...

Artistic illustration of the internal structure of a lava planet in a cold state, showing a day‑side magma ocean overlain by a mineral atmosphere. The arrows indicate the direction of heat transport ...