(PhysOrg.com) -- A deep survey of more than 200,000 stars in our Milky Way galaxy has unveiled the sometimes petulant behavior of tiny red dwarf stars. These stars, which are smaller than the Sun, can unleash powerful eruptions ...
Astronomy
Jan 10, 2011
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(PhysOrg.com) -- The surprising discovery of a supermassive black hole in a small nearby galaxy has given astronomers a tantalizing look at how black holes and galaxies may have grown in the early history of the Universe. ...
Astronomy
Jan 9, 2011
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(PhysOrg.com) -- New observations by University of Michigan astronomers add weight to the theory that the most massive stars in the universe could form essentially anywhere, including in near isolation; they don't need a ...
Astronomy
Dec 21, 2010
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Astronomers have discovered that small, dim stars known as red dwarfs are much more prolific than previously thought—so much so that the total number of stars in the universe is likely three times bigger than realized.
Astronomy
Dec 1, 2010
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(PhysOrg.com) -- Elliptical galaxies were once thought to be aging star cities whose star-making heyday was billions of years ago.
Astronomy
Nov 18, 2010
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After completing its primary mission to map the infrared sky, NASA's Wide-field Infrared Survey Explorer, or WISE, has reached the expected end of its onboard supply of frozen coolant. Although WISE has 'warmed up,' NASA ...
Space Exploration
Oct 4, 2010
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(PhysOrg.com) -- The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds. Our home galaxy, the ...
Astronomy
Sep 29, 2010
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Observations made with NASA's newly refurbished Hubble Space Telescope of a nearby supernova are allowing astronomers to measure the velocity and composition of "star guts" being ejected into space following the explosion, ...
Astronomy
Sep 2, 2010
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(AP) -- A telescope made by Utah State University's Space Dynamics Lab for NASA is on track to complete its first sky survey.
Astronomy
Jul 19, 2010
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(AP) -- Worried about Earth-threatening asteroids? One of NASA's newest space telescopes has spotted 25,000 never-before-seen asteroids in just six months.
Astronomy
Jul 16, 2010
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