This image represents a view of NASA Kepler supern...

This image from an animation shows a gigantic star...

This Spitzer false-color image is a composite of d...

NASA's three Great Observatories -- the Hubble Spa...

This frame from an animation shows a kind of stell...

This frame from an animation shows a gigantic star...

Astronomers combined observations from three diffe...

Three decades ago, astronomers spotted one of the ...

The images indicate that the bubble of gas that ma...

Suzaku Finds "Fossil" Fireballs from Sup...

Supernova Supernovae can occur one of two ways. Th...

This frame from an animation shows the merger of t...

The Cassiopeia A supernova first flash of radiatio...

This is an artist's impression of supernova 1993J,...

Image release September 2, 2010 ABOUT THIS IMAGE...

NASA image release June 10, 2011 Astronomers usin...

NASA image release January 11, 2012 Using NASA's ...

Supernovas are often thought of as the tremendous ...

NASA's Fermi Closes on Source of Cosmic Rays New ...

These delicate wisps of gas make up an object know...

Release date Dec. 30, 2009 In the supernova remna...

This artist's animation shows a typical young gala...

Seen as a red dusty cloud in this image from NASA ...

NASA image release December 14, 2010 A delicate s...

This is a Hubble Space Telescope composite image o...

A massive star left, which has created elements as...

Supernovae are the explosive deaths of the univers...

This image shows galaxy Arp 148, captured by NASA'...

The CTB 1 supernova remnant resembles a ghostly bu...

This composite image of the Tycho supernova remnan...

For the first time, a multiwavelength three-dimens...

Astronomers using NASA Spitzer Space Telescope hav...

This image combines data from four different space...

A new study analyzes several sites where dead star...

This image from NASA Wide-field Infrared Survey Ex...

Of all the varieties of exploding stars, the ones ...

The W44 supernova remnant is nestled within and in...

This image of supernova remnant G54.1+0.3 includes...

This visible-light image from the Sloan Digital Sk...

This NASA/ESA Hubble Space Telescope image capture...

This composite image contains data from Chandra (p...

The nearby dwarf galaxy NGC 1569 is a hotbed of vi...

This Chandra image reveals, in detail, the turbule...

Thin, red veins of energized gas mark the location...

This image from NASA's Chandra X-ray Observatory s...

Four hundred years ago, sky watchers, including th...

When astronomers first looked at images of a super...

This false-color image from three of NASA Great Ob...

Listed as Cassiopeia A, this remnant of the supern...

The colorful streamers that float across the sky i...

This image shows a part of the Cygnus loop superno...

This image of SN 1987A, taken November 28, 2003 by...

The Chandra X-Ray Observatory (CXO) has made a stu...

This image shows a composite view of the Crab nebu...

The Crab Nebula is a supernova remnant, all that r...

This image is a color composite of the supernova r...

These postage-stamp images taken by NASA Galaxy Ev...

Nicknamed the Hand of God, this object is called a...

NASA NuSTAR is complementing previous observations...

This composite image contains data from Chandra (p...

This supernova in the constellation Cassiopeia was...

This x-ray photograph of the Supernova remnant Cas...

Every second a star somewhere out in the universe ...

The blue dot in this image marks the spot of an en...

NASA Spitzer Space Telescope shows the supernova r...

NASA Spitzer Space Telescope used its infrared cam...

This Spitzer Space Telescope composite shows the s...

A composite image from NASA Chandra and Spitzer sp...

This is a composite image of N49, the brightest su...

This is the first map of radioactivity in a supern...

These images from NASA Spitzer Space Telescope, ta...

NASA NuSTAR has, for the first time, imaged the ra...

This image shows a neutron star -- the core of a s...

Infrared images from NASA Spitzer Space Telescope ...

The closest supernova of its kind to be observed i...

This oddly colorful nebula is the supernova remnan...

This new view of the historical supernova remnant ...

The brightest pulsar detected to date is shown in ...

A delicate ribbon of gas floats eerily in our gala...

The Chandra X-Ray Observatory has captured this sp...

Like the Crab Nebula, the Vela Supernova Remnant h...

Puppis A, around 7,000 light-years away, is seen i...

NuSTAR has provided the first observational eviden...

The elements and molecules that flew out of the Ca...

NASA image relase December 13, 2011 Gamma-rays de...

This infrared image from NASA Spitzer Space Telesc...

NASA Hubble peers into a small portion of the nebu...

Tipped toward Earth and illuminated by the star, t...

The images at the top of this graphic represent tw...

The plot of data from NASA's Nuclear Spectroscopic...

The brilliant flash of an exploding star shockwave...

The galaxy pictured here is NGC 4424, located in t...

This x-ray image of the Cassiopeia A (CAS A) super...

This new image taken with NASA's Hubble Space Tele...

This is an extraordinary first image from the Chan...

Release date: July 1, 2008 SN 1006 Supernova Remn...

VANDENBERG AFB, Calif. – Technicians roll the Orbi...

VANDENBERG AFB, Calif. – The Orbital Sciences L-10...

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