Saturn: The Latest Discoveries
Saturn, sixth planet from the sun, is the second largest planet in our solar system.
During its slow fly-by of Jupiter, NASA's Cassini spacecraft captured imagery of wave motion in the fast-moving jet streams that are a signature of the gas giant.
Scientists are hoping to understand how Saturn's moon Iapetus formed and evolved.
The new images bring Rhea's battered surface into clear focus.
Skywatchers can watch as Saturn, the moon and the bright star Spica move across the sky.
The eruptions are caused by discontinuities in the solar wind.
The image shows Saturn's iconic rings casting huge shadows across the planet.
The method of examining the polarization of light could one day be used to spot signs of life on alien planets.
The results point to increased velocities of the asteroids that bombarded the moon 4 billion years ago.
The IceMole probe would be able to melt and drill through frigid Enceladus to hunt for alien life.
NASA's New Horizons Pluto mission team is hoping for 100,000 signatures by March 13.
The shot, from NASA's Cassini spacecraft, shows the moons Rhea and Titan.
There's no room for multibillion-dollar exploration efforts in the current NASA budget.
A brief look at the space agency's science and exploration highlights.
Russian scientists have drilled 13,000 feet below Antarctica to the Lake Vostok, sealed off to the world for at least 14 million years, and if life can be found there, it may be possible in similar conditions on Europa and Enceladus.
The moon will shine with venus, Saturn and the bright star Spica, while Mars makes a late-night appearance.
Jupiter is a giant among the solar system planets. See photos of Jupiter from telescopes and visiting spacecraft.
The petition hopes to collect 100,000 signatures by March 13.
Saturn, Jupiter, Venus, Mars, and several prominent giant stars highlight a brilliant month in the night sky. Tonight's Sky for February 2012 shows how to see them all.