Every gas giant astronomers have ever studied shares a basic recipe: a thick envelope of hydrogen and helium, with heavier elements sprinkled in as trace ingredients. A planet orbiting a rapidly ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

Discovery led by UC Santa Cruz Ph.D. of daily cloud cycle on a hot Jupiter exoplanet provides unique window into its make-up ...

WASP-94A b, a hot Jupiter nearly 700 light-years away, builds mineral cloud cover each morning and loses it by evening. This ...

A planet roughly the size of Neptune has no business existing where TOI-1130 b sits. It orbits its star every 4.1 days, ...

LAS CRUCES, N.M. (KFOX14/CBS4) — A team of astronomers from New Mexico State University and Northwestern University has discovered a new exoplanet by analyzing years of data from an old observational ...

A giant planet circling a nearby star has given astronomers a rare look at what a colder, more Jupiter-like world can be like, and the picture is already messier than many models expected. The planet, ...

Sand clouds form every morning but clear up by nightfall on WASP-94A b, a well-studied gas giant in a constellation located ...

A team of astronomers led by Elisabeth Matthews at the Max Planck Institute for Astronomy (MPIA) has made a discovery that highlights the limits of most current models of exoplanet atmospheres: ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar system—and it's an absolute giant. Reading time 3 minutes In September, NASA ...