Astronomers have discovered strong evidence for a giant gas planet in a nearby solar system – with moons that could be habitable. The planet was first detected by the James Webb Space Telescope (JWST) ...

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be orbited in turn by a habitable moon that could support life, just like in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This artist’s concept shows what the gas giant orbiting ...

Jupiter is not quite as large as astronomers thought, according to the first measurements of its radius taken in more than 40 years. Jupiter is a gas giant and doesn’t have a solid outer surface like ...

Hidden star found orbiting a bloated red giant, Pi1 Gruis, offering a rare glimpse into how close companions shape dying ...

A novel unified hydrodynamic model proposes a single mechanism to explain the contrasting equatorial jet stream directions on gas giants (eastward on Jupiter/Saturn) and ice giants (westward on Uranus ...

Our fundamental understanding of Neptune and Uranus may be completely wrong, say researchers rethinking our solar system.