The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship.

The planet is just a tad smaller than Jupiter and completes its orbit in just seven days. Scientists believe that because of ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to take shape, a pair of astronomers say. Two scientists at Caltech and ...

Jupiter won’t be this close again for another 107 years, until 2129. Also in the evening ensemble this month is the Beehive Cluster, a cloud of about 1,000 shiny young stars.

Topline Astrophysicists found an exoplanet the size of Jupiter has a tail of gas seven times its own length—around 350,000 miles—resulting from its gas atmosphere burning off and being shaped ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk on, and no place to land a spaceship.