Add Yahoo as a preferred source to see more of our stories on Google. Jupiter may be the largest planet in the solar system, but new research shows it's not quite as big as scientists once believed, ...

From a distance, the exoplanet resembles a deep blue marble not unlike Earth as seen from space, a coloring that once led ...

Left: Artistic conception of the longheld astronomical assumption of brown dwarfs resembling Jupiter in appearance, displaying prominent multiple zonal bands and stable vortices similar to the Great ...

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants. Reading time 3 minutes Jupiter’s moon Io is covered in hundreds of ...

As NASA's Juno flew around Jupiter last week, the spacecraft snapped a photo of an object before it could make a clean getaway. That clunky, bumpy thing at the far right edge of the frame is Thebe, ...

From Mercury's cratered surface to Neptune's deep blue atmosphere, NASA's stunning images reveal the striking beauty and diversity of all eight planets.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new extrasolar planet transiting a distant star. The newfound alien world, designated ...

But the universe also hosts worlds that break away from this familiar image. Some planets drift alone through space without a ...