Gas Giants

Analysis of the exoplanet WASP-39b identified the sulfur dioxide. Its presence can only be explained by photocemistry.

NASA's James Webb Space Telescope will reveal secrets of clouds in the atmospheres of exoplanets – planets beyond our solar…

A transmission spectrum made from a single observation from the Webb Space Telescope reveals atmospheric characteristics of the hot gas…

Artist's rendering of two Saturn-sized planets orbiting a Sun-like star called EPIC 249731291.

There are water worlds, lava planets, egg-shaped worlds, planets with multiple suns, and even planets with no sun at all!…

Every star has a habitable zone, but where that zone lies is different for stars of different sizes and brightness.

When we describe different types of exoplanets – planets outside our solar system – what do we mean by "hot…

Exoplanets – planets outside our solar system – are everywhere. At NASA, we're studying exoplanets to learn all about their weirdness,…