Space

  1. Astronomy

    Eye on the Universe

    For more than a decade, the Hubble Space Telescope has provided astronomers with astonishing views of the universe. This week, the Exploratorium in San Francisco hosts a series of Webcasts from the Space Telescope Science Institute in Baltimore to present a behind-the-scenes peek at how the space telescope is managed. Also check out several collections […]

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  2. Astronomy

    Searching for a lost craft

    A recent Department of Defense analysis of images of the Red Planet may have located a lost spacecraft on Mars, but NASA says the images could just be electronic noise.

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  3. Astronomy

    Probes find a new plume on Io

    Two spacecraft jointly eyeing Jupiter's moon Io, the most volcanically active body in the solar system, have spotted a towering new plume.

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  4. Astronomy

    A comet’s odd orbit hints at hidden planet

    Far beyond the solar system's nine known planets, a body as massive as Mars may once have been part of our planetary system, and it might still be there.

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  5. Astronomy

    A Dark Force in the Universe

    Cosmologists are thinking dark thoughts about what kind of mystery force may be contorting the cosmos, pushing galaxies apart at a faster and faster rate.

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  6. Astronomy

    Starry Data Support Revved-Up Cosmos

    Astronomers have confirmed one of the weirdest properties of the universe: Some mysterious force is pushing galaxies apart at a faster and faster rate.

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  7. Astronomy

    Some of galaxy’s dark matter comes to light

    A new study adds to the evidence that astronomers have unveiled some of the dark matter in our galaxy and that it's pretty ordinary stuff—white dwarfs, the cold, compact embers of low-mass stars.

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  8. Astronomy

    Creating a warmer, wetter Mars

    A new study adds to the evidence that past volcanic activity could have temporarily created a warmer, wetter Mars, a place on which water once flowed freely.

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  9. Planetary Science

    Debate over life in Mars rock rekindles

    Two recent studies could inject new life into the argument that a 4-billion-year-old Martian meteorite contains fossils of bacteria from the Red Planet but several scientists say the reports fall short of resurrecting that notion.

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  10. Astronomy

    Magnetic flip heralds solar max

    Scientists have found another indicator that the sun has reached the maximum of its current activity cycle: The polarity of its magnetic field has reversed.

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  11. Astronomy

    In moon race, Saturn is still champ

    New discoveries have raised the retinue of Saturn's known moons to 30, making the ringed planet the solar system's champ.

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  12. Planetary Science

    Images suggest icy eruptions on Ganymede

    New stereo images of Ganymede, the solar system's largest satellite, suggest that eruptions of water or slushy ice a billion or more years ago gave parts of the moon a facelift, creating long, flat bands of nearly pure water-ice.

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