The fifth planet from the sun ... Jupiter is a chaotic and stormy place. The gas giant planet's spots and swirls come from massive storms that whip up prevailing winds as fast as 335 miles ...

A team of scientists from the Physical Research Laboratory in Ahmedabad has discovered a giant planet bigger than Earth but smaller than Saturn ...

The document builds on the academies' decadal survey, outlining recommended missions for NASA's next New Frontiers program.

"Certain models even suggest that a fifth gas giant was ejected from the solar system, now a 'rogue planet', doomed to forever wander the empty void between the stars." But today, there is one ...