Add Yahoo as a preferred source to see more of our stories on Google. Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Jupiter ...

An illustration of the hot Jupiter HD 189733 b don't be fooled by its placid marble like appearance . | Credit: NASA/ Robert Lea (Created with Canva) Using the James Webb Space Telescope (JWST), ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Astronomers have discovered a brand new cold "super Jupiter" exoplanet, ...

Jupiter’s moon Ganymede is already famous for being the largest moon in the solar system. At more than 3,200 miles wide, it ...

Jupiter’s storms aren’t just gigantic — they may unleash lightning far more powerful than anything on Earth. Using NASA’s Juno spacecraft, scientists discovered that some lightning bolts on the gas ...

Scientists believe a dust-filled ring just outside Jupiter acted like a cosmic “planetesimal factory,” producing multiple generations of early space rocks with very different compositions. The ...

Planetary alignments continue to capture public fascination because they make astronomy feel approachable and easy to ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on the gas giant—so thick that no spacecraft has been able to measure exactly ...