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Astrophysics Topics

  • First Light for the Fermi Space Telescope

    2008April 6, 2011

    Today, NASA revealed first light images and announced a new name for its latest space telescope.

  • Naked-Eye Gamma-ray Burst Aimed Directly at Earth

    2008April 6, 2011

    Scientists are beginning to unravel the mystery of an extraordinary gamma-ray burst on March 19, 2008, which was visible to the naked eye. It turns out the explosion was aimed directly at Earth.

  • The Case of the Missing Gamma-ray Bursts

    2008April 6, 2011

    Gamma-ray Burstsare by far the brightest and most powerful explosions in the Universe, second only to the Big Bang itself. So it might seem a bit surprising that a group of them has gone missing.

  • Surprises from the Edge of the Solar System

    2006April 6, 2011

    NASA's Voyager 1 spacecraft has entered a new realm of space, and it's beaming back some surprises.

  • Back-to-School Time for Astrobiologists

    2001April 6, 2011

    NATO and NASA are joining forces to host an Advanced Study Institute for students and practitioners of astrobiology.

  • Solving Charles Darwin's 'Abominable Mystery'

    2001April 6, 2011

    About 130 million years ago the first flowering plants suddenly appeared -- an event Charles Darwin described as an 'abominable mystery.' Now, scientists using chemical fossils are unraveling this ancient puzzle.

  • Sweet Meteorites

    2001April 6, 2011

    A NASA scientist has discovered sugar and several related organic compounds in two meteorites -- providing new evidence that the building blocks of life on Earth might have come from outer space.

  • Life as We Didn't Know It

    2001April 6, 2011

    Biologists always thought life required the Sun's energy, until they found an ecosystem that thrives in complete darkness.

  • Precocious Earth

    2001April 6, 2011

    Tiny zircon crystals found in ancient stream deposits suggest that Earth harbored continents and liquid water remarkably soon after our planet formed.

  • Ballooning for Cosmic Rays

    2001April 6, 2011

    Astronomers have long thought that supernovas are the source of cosmic rays, but there's a troubling discrepancy between theory and data. A balloon flight could shed new light on the mystery.