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Astrophysics Topics

  • Where No Telescope Has Gone Before

    2001Sept. 20, 2011

    Astronomers at NASA's Marshall Space Flight Center have captured the first focused hard x-ray images of the cosmos, opening a new window of the electromagnetic spectrum for practical exploration.

  • Greening of the Red Planet

    2001April 6, 2011

    A hardy microbe from Earth that thrives where others perish might one day transform the barren ground of Mars into arable soil.

  • Magnetic Chains from Mars

    2001April 6, 2011

    Curious chains of magnetic crystals have turned up in a meteorite from Mars. Scientists say ancient martian microbes may have kept them in line.

  • 20,000 Leagues Under the Sea: The Webcast

    2001April 6, 2011

    Astrobiologists are visiting the Indian Ocean to explore a bizarre undersea ecosystem that doesn't need sunlight to flourish. You can join them via a live webcast on April 26th!

  • Was Johnny Appleseed a Comet?

    2001April 6, 2011

    A new experiment suggests that comet impacts could have sowed the seeds of life on Earth billions of years ago.

  • Chandra Links Pulsar to Historic Supernova

    2001April 6, 2011

    New evidence from NASA's Chandra X-ray Observatorysuggests that a known pulsar is the present-day counterpart to a stellar explosion witnessed by Chinese astronomers in 386 AD.

  • In Search of E.T.'s Breath

    2002April 6, 2011

    Astronomers are discovering new worlds outside our solar system at a dizzying pace. Do any of them harbor alien life? No one knows, yet...

  • Earth rocks on the Moon

    2002April 6, 2011

    Astrobiologists speculate that a valuable record of Earth's distant past is preserved on the Moon.

  • The Great Dying

    2002April 6, 2011

    250 million years ago something unknown wiped out most life on our planet. Now scientists are finding buried clues to the mystery inside tiny capsules of cosmic gas.

  • NASA Unveils First Images from Rejuvenated Hubble

    2009April 6, 2011

    Astronomers declared the Hubble Space Telescope a fully rejuvenated observatory with the release of observations from four of its six operating science instruments.