Winter comes to Titan

The change of seasons on Titan is creating new cloud patterns at Titan's south pole.

Video: Game of Thrones teases the Wildings

The Wildings - who live beyond the great northern wall - are about to take center stage in season three of Game of Thrones.

New vortex appears over Titan's pole

NASA's Cassini probe has spotted a vast vortex over the south pole of Saturn's moon Titan, triggered by the moon's move into winter.

NASA picks spot for Martian rover's winter break

NASA's Mars Exploration Rover Opportunity is set to ride out the worst of the Martian winter at Greeley Haven, a rocky outcrop recently named after ASU Regents' Professor Ronald Greeley, a planetary geologist who died last October.

Solar cycle can influence winter weather

British scientists say they've established a link between the sun's 11-year cycle and cold winters in Northern Europe and parts of America.