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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.
 | Researchers have found signatures in X-ray data of two mid-sized black holes in the starburst galaxy M82.
Provided by the Chandra X-ray Center, Cambridge, Massachusetts
Published: April 30, 2010 |
 | The composite infrared spectrometer instrument aboard Cassini has taken its first look at a massive blizzard in Saturn's atmosphere.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 30, 2010 |
 | Radar imaging of asteroid 2005 YU55 showed that the asteroid is about 1,300 feet (400 meters) in size and about twice as large as previously estimated.
Provided by Cornell University, Ithaca, New York
Published: April 29, 2010 |
 | Scientists say the discovery of water-ice is a result of 6 years of observing asteroid 24 Themis.
Provided by NASA Headquarters, Washington, D.C.
Published: April 29, 2010 |
 | Debris from Halley's Comet gives birth to an impressive sky show during May's first week. By Richard Talcott
Published: April 28, 2010 |
 | The decision to build the telescope on Cerro Armazones was based on an extensive comparative meteorological investigation that lasted several years.
Provided by ESO, Garching, Germany
Published: April 28, 2010 |
 | The Lunar Reconnaissance Orbiter team helped scientists track laser signals to the Russian rover mirror.
Provided by Goddard Space Flight Center, Greenbelt, Maryland
Published: April 27, 2010 |
 | Where optical telescopes see only black space, Planck's microwave eyes reveal myriad glowing structures of dust and gas.
Provided by ESA, Noordwijk, Netherlands
Published: April 27, 2010 |
 | The most prominent of the galaxy formation models predicts that galaxies are built up from the merging and accretion of many smaller galaxies that orbit within their gravitational sphere of influence.
Provided by the Subaru Telescope Facility, Hilo, Hawaii
Published: April 26, 2010 |
 | A thorough examination of the shape of dark matter's distribution in the cosmos may open up a new way to explore the nature of this enigmatic matter.
Provided by the Subaru Telescope Facility, Hilo, Hawaii
Published: April 26, 2010 |
 | The new instrument on the Large Binocular Telescope is a powerful tool that will gain spectacular insights into the universe — from the Milky Way to extremely distant galaxies
Provided by the University of Arizona, Tucson
Published: April 23, 2010 |
 | Celebrate astronomy with the year's biggest star party.
Published: April 23, 2010 |
 | The Spitzer Space Telescope has discovered planet GJ 436B is methane-free.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 22, 2010 |
 | Images from the Solar Dynamics Observatory show never-before-seen detail and help scientists understand our Sun's dynamic processes.
Provided by NASA Headquarters, Washington, D.C.
Published: April 22, 2010 |
 | The largest galaxies in the universe are elliptical in shape, and how they formed is central to our understanding of how the universe has evolved over the past 15 billion years.
Provided by the Naval Research Lab, Washington, D.C.
Published: April 21, 2010 |
 | The view of NGC 6334 in the infrared is strikingly different from that in visible light. With the dust obscuring the view far less, scientists can learn more about how these stars form and develop in their first few million years of life.
Provided by ESO, Garching, Germany
Published: April 21, 2010 |
 | Pieces from the fireball that fell in southwestern Wisconsin April 14 will be showcased through the weekend.
Provided by the University of Wisconsin-Madison
Published: April 20, 2010 |
 | In recent years, physicists have turned their attention to competing theories to general relativity as a possible explanation for the accelerated expansion of the universe.
Provided by the Chandra X-ray Center, Cambridge, Massachusetts
Published: April 20, 2010 |
 | Scientists say more than 85 percent of the zodiacal dust originated from Jupiter-family comets, not asteroids.
Provided by the Southwest Research Institute, Boulder, Colorado
Published: April 20, 2010 |
 | For many years, black holes have fascinated scientists and the public alike with their peculiar ability to warp space and time and their almost sinister tendency to devour everything they encounter.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 19, 2010 |
 | Scientists can use observed temperature changes to probe what's going on in the neutron star's core.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 19, 2010 |
 | By probing regions of a similar scale to Earth's orbit, scientists can observe the dusty results of massive collisions in the final stages of rocky planet formation and learn about the conditions earthlike planets in other planetary systems may experience.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 16, 2010 |
 | Scientists believe dust grains, which make up about 1 percent of the interstellar medium, provide a surface that helps gas phase reactions take place.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 16, 2010 |
 | These disks ultimately may be destroyed by interstellar radiation breaking down the dust grains to their individual atoms and molecules, thus replenishing and enriching the galaxy's interstellar medium with new materials.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 16, 2010 |
 | The role that Enceladus plays in Saturn's magnetosphere may be similar to that of Jupiter's moon Io, which pumps plasma into Jupiter's environment.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 15, 2010 |
 | The technique employed for the image could be used on larger ground-based telescopes to image planets much closer to their host stars or on small space telescopes to find possible earthlike worlds near bright stars.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 15, 2010 |
 | With dark skies after midnight, prospects look excellent for this year's annual Lyrid meteor shower. By Michael E. Bakich
Published: April 15, 2010 |
 | This is the first time scientists have been able to collect the visible lightning flash together with radio data.
Provided by NASA Headquarters, Washington, D.C.
Published: April 15, 2010 |
 | Fast-spinning black holes can give out energy in the form of radio jets.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 14, 2010 |
 | The object in M82, which appeared very suddenly in radio wavelengths and shows no signs of going away, does not appear to be like anything that has been seen in the Milky Way.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 14, 2010 |
 | Coronal mass ejections are many times larger than Earth and typically contain over a billion tons of matter.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 14, 2010 |
 | New data combined with older observations indicates that more than half of all the hot Jupiters studied have orbits that are actually misaligned with the rotation axis of their parent stars, and some are even rotating their host sun in the "wrong direction" compared to our solar system.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 13, 2010 |
 | Scientists surveyed white dwarfs and found that many show signs of contamination by heavier elements and possibly even water, improving the prospects for extraterrestrial life.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 13, 2010 |
 | Instead of using the length of the tail to measure the scale of the comet, scientists used data from the Ulysses spacecraft to gauge the size of the region of space disturbed by the comet's presence.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 13, 2010 |
 | Aurorae are caused by highly energetic charged particles normally held in space by Earth's magnetic field, colliding with Earth's upper atmosphere.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 12, 2010 |
 | Evidence for the flux rope takes the form of S-shaped structures clearly seen with the Extreme-Ultraviolet Imaging Telescope.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 12, 2010 |
 | Saturn's largest moon represents one of the more bizarre scenarios being studied.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 12, 2010 |
 | Scientists suggest the planet remains capable of volcanic eruptions.
Provided by ESA, Noordwijk, Netherlands
Published: April 9, 2010 |
 | The image was obtained using the interferometric technique, an old idea that incorporates computer control and laser connections among multiple telescopes to achieve a signal equivalent to one giant telescope.
Provided by the National Science Foundation, Arlington, Virginia
Published: April 8, 2010 |
 | M66 wins out in size over its fellow triplets — it is about 100,000 light-years across.
Provided by ESO, Garching, Germany
Published: April 8, 2010 |
 | Recent observations reveal that Triton's thin atmosphere varies seasonally, thickening when warmed.
Provided by ESO, Garching, Germany
Published: April 7, 2010 |
 | Scientists used the Hubble Space Telescope and the Gemini Observatory to image the companion planet-like object, which has the same approximate age as its host brown dwarf.
Provided by STScI, Baltimore, Maryland
Published: April 6, 2010 |
 | The shuttle will deliver science experiments, equipment, and supplies to the station.
Provided by NASA Headquarters, Washington, D.C.
Published: April 5, 2010 |
 | The expanded Expedition 23 crew will continue science investigations and support two space shuttle missions to the station.
Provided by NASA Headquarters, Washington, D.C.
Published: April 2, 2010 |
 | The innermost planet puts on its best evening show of 2010 in late March and early April. By Richard Talcott
Published: April 1, 2010 |
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