Browse Archive

  • Dozens of newborn stars sprouting jets from their dusty cocoons have been spotted in images from NASA's Spitzer Space Telescope

    Stars Shoot Jets in Cosmic Playground

    Dozens of newborn stars sprouting jets from their dusty cocoons have been spotted in images from NASA's Spitzer Space Telescope. In this view showing a portion of sky near Canis Major, infrared data f...

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  • In what may look to some like an undersea image of coral and seaweed, a new image from NASA's Spitzer Space Telescope is showing the birth and death of stars

    Life and Death Intermingled

    In what may look to some like an undersea image of coral and seaweed, a new image from NASA's Spitzer Space Telescope is showing the birth and death of stars. In this view, infrared data from Spitzer ...

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  • There are nearly 200 galaxies within the marked circles in this image from NASA's Spitzer Space Telescope

    Galaxies in Hiding

    There are nearly 200 galaxies within the marked circles in this image from NASA's Spitzer Space Telescope. These are part of the Perseus-Pisces supercluster of galaxies located 250 million light-years...

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  • Infrared Iris

    Infrared Iris

    This cloud of glowing gas is the Iris nebula, as seen in infrared light by NASA's Spitzer Space Telescope. The main cluster of stars within the nebula is called NGC 7023. It lies 1,300 light-years awa...

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  • Galaxy Messier 94

    Galactic Wheels within Wheels

    How many rings do you see in this new image of the galaxy Messier 94, also known as NGC 4736? While at first glance one might see a number of them, astronomers believe there is just one. This image wa...

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  • Artistic version of a hot Jupiter

    An Astronomer's Fantasy - Planets in the Lab

    If astronomers could somehow pull planets out of the sky and analyze them in the laboratory, it might look something like this artistically altered image illustrating new research from NASA's Spitzer ...

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  • Small Magellanic Cloud galaxy

    Taken Under the 'Wing' of the Small Magellanic Cloud

    The tip of the "wing" of the Small Magellanic Cloud galaxy is dazzling in this new view from NASA's Great Observatories. The Small Magellanic Cloud, or SMC, is a small galaxy about 200,000 light-years...

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  • Astronomers have discovered what appears to be a large asteroid belt around the bright star Vega, as illustrated here at left in brown

    Vega - Two Belts and the Possibility of Planets

    Astronomers have discovered what appears to be a large asteroid belt around the bright star Vega, as illustrated here at left in brown. The ring of warm, rocky debris was detected using NASA's Spitzer...

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  • This graph shows the brightness variations of the brown dwarf named 2MASSJ22282889-431026

    Probing Brown Dwarf Layers

    This graph shows the brightness variations of the brown dwarf named 2MASSJ22282889-431026 measured simultaneously by both NASA’s Hubble and Spitzer space telescopes. As the object rotates every 1.4 ho...

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  • Artist's concept illustrates an asteroid belt around the bright star Vega

    Rocky Ring of Debris Around Vega

    This artist's concept illustrates an asteroid belt around the bright star Vega. Evidence for this warm ring of debris was found using NASA's Spitzer Space Telescope, and the European Space Agency's He...

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  • Artist's conception illustrates the brown dwarf named 2MASSJ22282889-431026

    Forecast for Exotic Weather

    This artist's conception illustrates the brown dwarf named 2MASSJ22282889-431026. NASA's Hubble and Spitzer space telescopes observed the object to learn more about its turbulent atmosphere. Brown dwa...

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  • Artist's illustration shows the atmosphere of a brown dwarf called 2MASSJ22282889-431026

    Anatomy of Brown Dwarf's Atmosphere

    This artist's illustration shows the atmosphere of a brown dwarf called 2MASSJ22282889-431026, which was observed simultaneously by NASA's Spitzer and Hubble space telescopes. The results were unexpec...

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  • Giant star Zeta Ophiuchi

    Massive Star Makes Waves

    The giant star Zeta Ophiuchi is having a "shocking" effect on the surrounding dust clouds in this infrared image from NASA’s Spitzer Space Telescope. Stellar winds flowing out from this fast-moving st...

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  • Spiral galaxy NGC 3627

    Revealing Hidden Black Holes

    A sample of nearby galaxies has shown that many contain X-ray sources in their centers -- most likely powered by central supermassive black holes.

  • Composite image of star cluster Cygnus OB2

    A Nearby Stellar Cradle

    Deep observations by NASA's Chandra X-ray Observatory are probing how stellar "star factories" form and evolve.

  • The image on the left shows a portion of our sky, called the Boötes field, in infrared light, while the image on the right shows a mysterious, background infrared glow captured by NASA's Spitzer Space Telescope in the same region of sky.

    Unmasking a Hidden Glow

    The image on the left shows a portion of our sky, called the Boötes field, in infrared light, while the image on the right shows a mysterious, background infrared glow captured by NASA's Spitzer Space...

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  • Spitzer sees stray starlight (artist's concept)

    Spitzer Sees Stray Starlight (Artist's Concept)

    New research from scientists using NASA's Spitzer Space Telescope suggests that a mysterious infrared glow across our whole sky is coming from stray stars torn from galaxies. When galaxies grow, they ...

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  • Helix Nebula

    Helix Nebula - Unraveling at the Seams

    A dying star is throwing a cosmic tantrum in this combined image from NASA's Spitzer Space Telescope and the Galaxy Evolution Explorer (GALEX), which NASA has lent to the California Institute of Techn...

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  • The cosmic distance ladder, symbolically shown here in this artist's concept, is a series of stars and other objects within galaxies that have known distances.

    Climbing the Cosmic Distance Ladder

    Astronomers using NASA’s Spitzer Space Telescope have greatly improved the cosmic distance ladder used to measure the expansion rate of the universe, as well as its size and age. The cosmic distance l...

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  • This graph illustrates the Cepheid period-luminosity relationship, which scientists use to calculate the size, age and expansion rate of the universe.

    Cepheids as Cosmology Tools

    This graph illustrates the Cepheid period-luminosity relationship, which scientists use to calculate the size, age and expansion rate of the universe. The data shown are from NASA's Spitzer Space Tele...

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