Fermi Data Tantalize With New Clues To Dark Matter
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Gravitational Lensing of a Super-Luminous Galaxy in the Young Cosmos
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About fifteen years ago astronomers, using improved submillimeter wavelength telescopes, discovered a new class of very distant galaxies: submillimeter galaxies (SMGs). These objects are...
Transition Disks Around Young Stars
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A star is typically born with a disk of gas and dust encircling it, the spinning remnant of the much larger cloud of natal material. As the star begins to shine, planets develop from the...
Dr. Belinda Wilkes Chosen to Lead the Chandra X-ray Center
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Cambridge, MA - Professor Charles Alcock, Director of the Harvard-Smithsonian Center for Astrophysics, announces that after an extensive search, the Smithsonian Astrophysical Observa...
First Direct Evidence of Cosmic Inflation
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Correction: This press release claimed that the B-mode signal detected by BICEP2 offered direct evidence of gravitational waves from cosmic inflation (BICEP2 collaboration et al. 2014). S...
The Workings of an X-ray Binary Star
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The bright X-ray source known as LMC X-3 resides in the Large Magellanic Cloud, the dwarf galaxy that is the Milky Way’s nearest neighbor. Two decades ago astronomers discovered that the...
The Billion-Dollar Telescope Race
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When Warner Brothers animators wanted to include cutting-edge astronomy in a 1952 Bugs Bunny cartoon they set a scene at an observatory that looks like Palomar Observatory in California. ...
Star Formation in Luminous, Colliding Galaxies
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Nearly thirty years ago the Infrared Astronomy Satellite discovered that the universe contained many tremendously luminous galaxies, some more than a thousand times brighter than our own ...
X-rays From Other Galaxies Could Emanate From Particles of Dark Matter
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X-rays of a specific wavelength emanating from the hearts of nearby galaxies and galaxy clusters could be signs of particles of dark matter decaying in space, two independent teams of ast...
An Extended Gamma-Ray Source with No Known Counterpart
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Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The m...