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Solar System Topics

  • A Hawaiian-Style Volcano on Io

    1999April 6, 2011

    New images from Galileo reveal unexpected details of the Prometheus volcano on Io including a caldera and lava flowing through fields of sulfur dioxide snow.

  • A Volcanic Flashback

    1999April 6, 2011

    With another Io flyby less than a week away, JPL has released new data showing towering mountains, sizzling hot spots, and enormous lava lakes on Jupiter's fiery moon.

  • The Red Planetin 3D

    1999April 6, 2011

    New data from Mars Global Surveyor reveals the topography of Mars better than many continental regions on Earth.

  • Leonids Rain in Spain

    1999April 6, 2011

    An outburst of over 1500 Leonid Meteorsper hour dazzled observers in Europe and the Middle East.

  • NASA Announces Mars Landing Site

    1999April 6, 2011

    Mars Polar Lander heads for a touch down near the Red Planet's south pole to study the history of martian climate.

  • Leonids Control Center monitors meteor activity

    1999April 6, 2011

    International team will provide meteor counts for satellite operators

  • Don't Forget the Partial Eclipse!

    1999April 6, 2011

    North Americans could experience unusual shadow effects near sunrise on Aug. 11.

  • Chandra has a busy observing schedule

    1999April 6, 2011

    Dying magnetars, supernovae, and the future of the universe are on tap for NASA's Chandra X-ray Observatory, scheduled for launch July 20, 12:39 a.m. EDT.

  • Much ado about Pluto

    1999April 6, 2011

    Recent discoveries of Pluto-like objects in the outer solar system have sparked debate about the nature of the tiniest "planet."

  • Turn left at Callisto

    1999April 6, 2011

    This morning NASA's Galileo spacecraft zoomed past Jupiter's moon Callisto. The maneuver was designed to bring Galileo closer to Jupiterin preparation for a daring encounter with a volcano on Io.