December 17, 2009Avatar's Moon Pandora Could Be Realexomoon
animation 

December 17, 2009Avatar's Moon Pandora Could Be Realsuper-Earth
Artist's Conception 

December 17, 2009Avatar's Moon Pandora Could Be RealExomoon
Artist's Conception 

December 15, 2009Close-up Photos of Dying Star Show Our Sun's FateChi Cygni
animation 

December 15, 2009Close-up Photos of Dying Star Show Our Sun's FateIOTA
instrument 

December 15, 2009Close-up Photos of Dying Star Show Our Sun's FateChi Cygni
Unknown 

December 15, 2009Close-up Photos of Dying Star Show Our Sun's FateChi Cygni
Artist's Conception 

December 16, 2009Astronomers Find Super-Earth Using Amateur, Off-the-Shelf TechnologyMEarth telescopes
instrument 

December 16, 2009Astronomers Find Super-Earth Using Amateur, Off-the-Shelf TechnologyMEarth telescopes
instrument 

December 16, 2009Astronomers Find Super-Earth Using Amateur, Off-the-Shelf TechnologyMEarth Project
instrument 

December 16, 2009Astronomers Find Super-Earth Using Amateur, Off-the-Shelf TechnologyMEarth Project
instrument 

December 16, 2009Astronomers Find Super-Earth Using Amateur, Off-the-Shelf TechnologyGJ1214b
Artist's Conception 

December 16, 2009Astronomers Find Super-Earth Using Amateur, Off-the-Shelf TechnologyGJ1214b
Artist's Conception 

November 16, 2009Close-Up Movie Shows Hidden Details in the Birth of Super-SunsOrion Source I
animation 

November 16, 2009Close-Up Movie Shows Hidden Details in the Birth of Super-SunsOrion Source I
Artist's Conception 

November 02, 2009VERITAS Telescopes Help Solve 100-Year-Old Mystery: The Origin of Cosmic RaysVERITAS
instrument 

November 02, 2009VERITAS Telescopes Help Solve 100-Year-Old Mystery: The Origin of Cosmic RaysM82
gamma ray 

November 02, 2009VERITAS Telescopes Help Solve 100-Year-Old Mystery: The Origin of Cosmic RaysM82
x-ray / infrared / optical 

September 09, 2009Magnetic Fields Play Larger Role in Star Formation than Previously ThoughtOrion Nebula
Optical Image 

August 05, 2009Seeing the Cosmos Through "Warm" Infrared EyesDR22/Cygnus; NGC 4145; NGC 4361
Infrared Image 

July 29, 2009Cosmic Dance Helps Galaxies Lose Weightgalaxy simulation
Artist's Conception 

July 29, 2009Cosmic Dance Helps Galaxies Lose Weightgalaxy simulation
Artist's Conception 

July 23, 2009NASA Celebrates Chandra X-ray Observatory's 10th Anniversarysupernova remnant 1E 0102.2-7219
Composite X-ray and Optical Image 

June 17, 2009CfA-Designed Exhibit on Black Holes Expected to "Pull In" Museum VisitorsBlack Hole Exhibit
Unknown 

June 10, 2009Peculiar, Junior-Sized Supernova Discovered by New York TeenUGC 12682
Unknown 

June 10, 2009Peculiar, Junior-Sized Supernova Discovered by New York TeenSN 2008ha in UGC 12682
Unknown 

June 10, 2009Radio Telescope Images Reveal Planet-Forming Disk Orbiting Twin SunsV4046 Sagittarii
Artist's Conception 

April 29, 2009Rogue Black Holes May Roam the Milky Wayblack hole
Artist's Conception 

April 28, 2009Farthest Known Object: New Gamma-Ray Burst Smashes Cosmic Distance Recordredshift diagram
diagram 

April 28, 2009Farthest Known Object: New Gamma-Ray Burst Smashes Cosmic Distance RecordGRB 090423
ultraviolet / optical / x-ray 

April 28, 2009Farthest Known Object: New Gamma-Ray Burst Smashes Cosmic Distance RecordGRB 090423
Infrared Image 

March 19, 2009Finding Twin Earths: Harder Than We Thought!Hypothetical Twin Earth
Artist's Conception 

March 16, 2009Hearts of Galaxies Close in for Cosmic Train WreckNGC 6240
Infrared Image 

February 12, 2009Astronomers Unveiling Life's Cosmic OriginsThe Cosmic Chemistry Cycle
Artist's Conception 

February 12, 2009Astronomers Unveiling Life's Cosmic OriginsThe Cosmic Chemistry Cycle
Artist's Conception 

January 16, 2009Transit Search Finds Super-NeptuneHAT-P-11b
Artist's Conception 

January 06, 2009Cassiopeia A Comes Alive Across Time and SpaceCassiopeia A
X-ray Image 

January 05, 2009Baby Jupiters Must Gain Weight FastNGC 2362
Infrared Image 

January 05, 2009Milky Way a Swifter Spinner, More Massive, New Measurements ShowMilky Way
Artist's Conception 

January 05, 2009Stars Forming Just Beyond Black Hole’s Grasp at Galactic Centergalactic center
Infrared Image 

January 05, 2009Stars Forming Just Beyond Black Hole’s Grasp at Galactic Centerstar formation
Artist's Conception