Local events ringing in the new year include everything from parties to parades, but the fireworks at the Space Needle are ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar ...

Research suggests that Saturn's rings don’t end where the eye expects - specks of ring material seem to float above and below ...

Launching early in the year, three Americans and one Canadian will zip past the moon, do a U-turn behind it, then hustle ...

Beyond the asteroid belt lies a realm of giants, rings, and frozen mysteries. This video tours the colossal storms of Jupiter, the graceful rings of Saturn, the sideways tilt of Uranus, and the ...