The Hubble Space Telescope has peered at Uranus, left, and Neptune to study the so-called "ice giant" planets, but little is known about their interior composition. - NASA / ESA / M. Showalter / L.

The half-lit lunar disk will rise alongside the ringed giant Saturn and dimmer Neptune in the early morning hours of June 19, putting on a spectacular show just six hours after the moon hits its third ...

Scientists may finally have an answer for why the ferocious jet streams on the solar system’s giant planets blow in opposite directions — eastward on gas giants Jupiter and Saturn, and westward on ice ...

Have you ever found something unexpected in your hamburger? Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) were surprised to discover the very earliest phases of giant ...

New research from the University of St Andrews has found that giant free floating planets have the potential to form their own miniature planetary systems without the need for a star. In findings ...