About 4.6 billion years ago, when Jupiter was still bulking up into the heavyweight of the solar system, it carved a gap in ...

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 ...

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 ...

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 ...

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 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: ...

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, ...

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 ...