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Solar System - Planets Topics

  • A Cold New World

    2002April 6, 2011

    Astronomers using the Hubble Space Telescope have measured a distant world more than half the size of Pluto. It's the biggest object found in our solar system since the discovery of Pluto itself 72 years ago.

  • Rainbows on Titan

    2005Sept. 20, 2011

    Saturn's moon Titan is wet, according to the ESA's Huygens probe, but Titan's "water" is not like Earth's.

  • Blue Skies on Saturn

    2005April 6, 2011

    NASA's Cassini spacecraft has discovered another world with blue skies: Saturn.

  • Sights and Sounds of Titan

    2005April 6, 2011

    The ESA Huygens probe parachuted to Titan on Jan. 14th, landed safely, and transmitted the first sounds and pictures from the surface of Saturn's giant moon.

  • 10th Planet Discovered

    2005April 6, 2011

    Astronomers have found a new world bigger than Pluto in the outer reaches of the solar system.

  • New Moons of Pluto

    2005April 6, 2011

    Using NASA's Hubble Space Telescope to probe the ninth planet in our solar system, astronomers have discovered that Pluto may have not one, but three moons.

  • Hidden Territory on Mercury Revealed

    2009April 6, 2011

    The MESSENGER spacecraft's third flyby of the planet Mercury has given scientists an almost complete view of the planet's surface and revealed some dramatic changes in Mercury's comet-like tail.

  • Giant Ring Discovered Around Saturn

    2009April 6, 2011

    Just when you thought every big thing in the Solar System had already been discovered, NASA's Spitzer Space Telescope has found an extraordinary new ring around Saturn.

  • MESSENGER Set for Final Flyby of Mercury

    2009April 6, 2011

    NASA's MESSENGER spacecraft is set to make its third and final flyby of the planet Mercury on Sept. 29th. The encounter is expected to produce hundreds of images of previously unseen terrain and confirm the strange elliptical shape of Mercury's equator.

  • A Flash of Light from Titan

    2009April 6, 2011

    NASA's Cassini Spacecraft has captured the first flash of sunlight reflected off a lake on Saturn's moon Titan, confirming the presence of liquid on the part of The Moondotted with many large, lake-shaped basins.