• The German Receiver for Astronomy at Terahertz Frequencies, or GREAT, spectrometer was installed on SOFIA's telescope on March 18, 2011.

    GREAT Spectrometer Readied For Flight on SOFIA

    03.30.11 - Scientists recently completed a series of nighttime, ground-based testing of the German Receiver for Astronomy at Terahertz Frequencies, or GREAT, spectrometer in preparation for a series of astronomical science flights on the Stratospheric Observatory for Infrared Astronomy in April.

  • Perseus cluster

    Clearest Picture Yet of Perseus Cluster

    03.24.11 - X-ray observations made by Suzaku provide the clearest picture to date of the size, mass and chemical content of a nearby cluster of galaxies.

  • Tycho supernova remnant

    Exploding Stars and Stripes

    03.24.11 - Chandra's very long observation of the Tycho supernova remnant could explain how some cosmic rays are produced.

  • A baby star sprouting two identical jets

    NASA's Spitzer Discovers Time-Delayed Jets

    04.04.11 - Astronomers have discovered that two symmetrical jets shooting away from opposite sides of a blossoming star are experiencing a time delay: knots of gas and dust from one jet blast off four-and-a-half years later than identical knots from the other jet.

  • Hubble view of galaxy NGC 5584

    Hubble Rules Out Dark Energy Alternative

    03.14.11 - Astronomers using the Hubble Space Telescope have ruled out an alternate theory on the nature of dark energy after recalculating the expansion rate of the universe.

  • Pointing a Finger at Star Formation

    Speed Demon Creates a Shock

    03.10.11 - WISE has captured a star zipping through space like a race car driver.

  • Pointing a Finger at Star Formation

    'Elephant Trunks' in Space

    03.04.11 - A new image from NASA's WISE mission shows a zoo of "elephant trunks" herded together in a star-forming region.

  • This view of the Sunflower galaxy highlights a variety of infrared wavelengths captured by Spitzer.

    Spitzer Captures Infrared Rays From a Sunflower

    03.03.11 - A galactic sunflower shows off its infrared colors in a new image from NASA's Spitzer Space Telescope.

  • Illustration of a neutron star within supernova remnant Cassiopeia A

    Chandra Finds Superfluid in Neutron Star's Core

    02.23.11 - Chandra has discovered the first direct evidence for a superfluid, a bizarre, friction-free state of matter, at the core of a neutron star.

  • Closeup of James Webb Space Telescope 3D interactive

    NASA Launches Webb Telescope Interactive Fly-by Tour Online

    02.23.11 - The interactive fly-by tour was created to allow people to get familiar with the Hubble Space Telescope’s successor, the James Webb Space Telescope..