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Your online destination for news articles on planets, cosmology, NASA, space missions, and more. You’ll also find information on how to observe upcoming visible sky events such as meteor showers, solar and lunar eclipses, key planetary appearances, comets, and asteroids.
 | NASA will select one proposal for full development after mission concept studies are completed and reviewed.
Provided by NASA Headquarters, Washington, D.C.
Published: December 30, 2009 |
 | The cover served as the top to a Thermos-like bottle that chilled the telescope.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: December 30, 2009 |
 | The Moon enters Earth's shadow for a partial lunar eclipse December 31. Residents of Europe, Asia, Africa, and Australia will get the best views. By Liz Kruesi
Published: December 29, 2009 |
 | Study shows blue stragglers steal mass from companion stars.
Provided by University of Wisconsin-Madison
Published: December 23, 2009 |
 | The Stratospheric Observatory for Infrared Astronomy jet flew for two minutes with the telescope's doors fully opened.
Provided by NASA Headquarters, Washington, D.C.
Published: December 21, 2009 |
 | Scientists have theorized for 20 years that Titan's cold surface hosts seas or lakes of liquid hydrocarbons.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: December 18, 2009 |
 | This is the first observational evidence for a population of comet-sized bodies in the Kuiper Belt that are being ground down through collisions.
Provided by the Space Science Institute, Boulder, Colorado
Published: December 17, 2009 |
 | This discovery shows that the remnants retain information about how the star exploded even though hundreds or thousands of years have passed.
Provided by the Chandra X-ray Center, Cambridge, Massachusetts
Published: December 17, 2009 |
 | The newfound world, GJ 1214b, is about 6.5 times as massive as Earth.
Provided by the Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts
Published: December 16, 2009 |
 | The additional motors will provide "launch on need" rescue capability for the final planned space shuttle mission.
Provided by NASA Headquarters, Washington, D.C.
Published: December 16, 2009 |
 | Scientists identified various types of clays, hydrated silicas, and sulfates in small basins.
Provided by the Planetary Science Institute, Tucson, Arizona
Published: December 16, 2009 |
 | Dying, for stars, has just gotten more complicated.
Provided by Case Western Reserve University, Cleveland, Ohio
Published: December 15, 2009 |
 | The spacecraft will map the entire sky at four infrared wavelengths.
Provided by NASA Headquarters, Washington, D.C.
Published: December 14, 2009 |
 | Scientists found the new planet systems by combining data gathered at the W. M. Keck Observatory in Hawaii and the Anglo-Australian Telescope in New South Wales, Australia.
Provided by the University of California, Santa Cruz
Published: December 14, 2009 |
 | The mission will uncover the coolest stars, dark asteroids, and the most luminous galaxies.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: December 11, 2009 |
 | VISTA is the latest telescope to be added to the European Southern Observatory's Paranal Observatory in the Atacama Desert of northern Chile.
Provided by ESO, Garching, Germany
Published: December 11, 2009 |
 | The new deep view provides insights into how galaxies grew in their formative years early in the universe's history.
Provided by STScI, Baltimore, Maryland
Published: December 10, 2009 |
 | GRB 090102 was detected by NASA's Swift satellite, which sent an immediate notification over the Internet to telescopes all over the world.
Provided by Liverpool John Moores University, United Kingdom
Published: December 10, 2009 |
 | New confirmation of an old idea that Iapetus' leading side has been darkened somewhat by infalling dark dust from an external source.
Provided by the Southwest Research Institute, Boulder, Colorado
Published: December 10, 2009 |
 | The Keck Interferometer directly resolves the accreting material around supermassive black holes in galactic nuclei.
Provided by the Max Planck Institute, Garching, Germany
Published: December 8, 2009 |
 | A giant star swells and shrinks, becoming brighter and dimmer in a regular pattern. However, one third of these stars show an unexplained additional periodic variation.
Provided by ESO, Garching, Germany
Published: December 7, 2009 |
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The best meteor shower of 2009, the Geminids, should put on a rousing show the night of December 13/14. Use Astronomy magazine's helpful tips, along with a finder chart, how-to video, podcast, and an interactive sky map to get the most from your viewing.
By Richard Talcott
Published: December 7, 2009 |
 | High-energy collisions are expected early next year when physicists hope to discover new secrets about the nature of matter and the early universe.
Provided by the Science and Technology Facilities Council, United Kingdom
Published: December 4, 2009 |
 | The companion to GJ 758 is estimated to be 10 to 40 times as massive as Jupiter.
Provided by Princeton University, New Jersey
Published: December 4, 2009 |
 | SN 2007bi is the first example of the kind of stars that first populated the universe.
Provided by the Lawrence Berekeley Lab, Berkeley, California
Published: December 2, 2009 |
 | Saturn's oblong orbit around the Sun exposes different parts of Titan to different amounts of sunlight, which affect the cycles of precipitation and evaporation in those areas.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: December 1, 2009 |
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