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Astrophysics Topics

  • The Oddball Hosts of Gamma-ray Bursts

    2008April 6, 2011

    Cosmic explosions known as Gamma-ray Burstsare curiously picky about where they explode. Shunning spiral galaxies like the Milky Way, Gamma-ray Burstsprefer to 'go off' in oddball star systems that astronomers are just beginning to understand.

  • Gamma-ray Bursts: The Mystery Continues

    2008April 6, 2011

    More than four decades after they were discovered, Gamma-ray Burstscontinue to mystify astrophysicists. Next week, experts from 25 countries will converge on Huntsville, Alabama, to discuss and debate clues to the biggest explosions since the Big Bang itself.

  • NASA's Newest Space Telescope Blasts Off

    2008April 6, 2011

    NASA's Gamma-ray Large Area Space Telescope left Earth today onboard a Delta II rocket. "The entire GLAST Team is elated," reports program manager Kevin Grady of NASA's Goddard Space Flight Center. "The observatory is now on-orbit and all systems continue to operate as planned."

  • Brief Mystery: What are Short Gamma-ray Bursts?

    2008April 6, 2011

    A curiously short-lived type of gamma-ray burst has astronomers puzzled. Leading experts discuss the clues at today's Gamma-ray Burst Symposium in Huntsville, Alabama.

  • Naked-eye Gamma Ray Burst

    2008April 6, 2011

    Two nights ago, astronomers observed a cosmic explosion so intense it was visible to the naked eye from a distance of 7.5 billion light years.

  • Strange Ring Found Circling Dead Star

    2008April 6, 2011

    NASA's Spitzer Space Telescope has found a bizarre ring of material around the magnetic remains of a star that blasted itself to smithereens. Although rings and spheres of material are common in the universe, this one is not like any ring astronomers have ever seen before.

  • Extremophile Hunt Begins

    2008April 6, 2011

    A team of scientists has just set off to explore a strange lake in Antarctica, which may be home to exotic forms of microscopic life.

  • Discovered: A New Kind of Pulsar

    2008April 6, 2011

    NASA's Fermi Gamma-ray Space Telescope has discovered a new kind of pulsar that hints at a previously unsuspected population of stars waiting to be found in the Milky Way.

  • Name that Space Telescope!

    2008April 6, 2011

    NASA is inviting members of the general public from around the world to suggest a new name for the Gamma-ray Large Area Space Telescope, otherwise known as GLAST, before it launches in mid-2008.

  • A Violent History of Time

    2008April 6, 2011

    NASA is preparing to launch a new space telescope named GLAST to study the most violent explosions in the history of our Universe.