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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.
 | The Eta Aquarid meteor shower increases activity between May 3 and May 10. On May 6, observers with access to a dark observing site could see up to 60 meteors an hour at the shower's peak. By Michael E. Bakich
Published: April 30, 2009 |
 | Galaxies were making a few stars, when something, perhaps an encounter with another galaxy, pushed them into high star-making mode.
Provided by STScI, Baltimore, Maryland
Published: April 30, 2009 |
 | The so-called galactic ridge X-ray emission was first detected more than 2 decades ago using early X-ray observatories.
Provided by the Chandra X-ray Center, Cambridge, Massachusetts
Published: April 30, 2009 |
 | During two extreme solar explosions, the Cluster constellation and the two Double Star satellites were favorably positioned to observe the events at a large scale.
Provided by ESA, Noordwijk, Netherlands
Published: April 29, 2009 |
 | These relics might help scientists learn about our galaxy's history and the formation history of black holes in the early universe.
Provided by the Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts
Published: April 29, 2009 |
 | We're seeing the demise of a star in one of the universe's earliest stellar generations.
Provided by the Science and Technology Facilities Council, United Kingdom
Published: April 28, 2009 |
 | Three times in the past 2 weeks, the rover has failed to record data from a day's activity period into its memory.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 24, 2009 |
 | THEMIS observations revealed vortical structures responsible for hundreds of thousands of amperes of electrical current flowing into Earth's ionosphere and producing spectacular auroral swirls.
Provided by the University of California, Berkeley
Published: April 24, 2009 |
 | Observations solidify a theory about radio-emitting jets emanating from supermassive black holes at the centers of active galaxies.
Provided by Goddard Space Flight Center, Greenbelt, Maryland
Published: April 23, 2009 |
 | The find will help astronomers better understand an asteroid's history.
Provided by ESO, Garching, Germany
Published: April 23, 2009 |
 | Don't miss a stunning sight around 9 P.M. local daylight time April 26 when a crescent Moon joins Mercury and the Pleiades in the deepening twilight. By Michael E. Bakich
Published: April 22, 2009 |
 | The results could help astronomers understand how high-energy particles are produced in galaxies and how massive galaxies evolve.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 22, 2009 |
 | The three substellar objects lie 1,000 light-years away in the star-forming region IC 348.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 22, 2009 |
 | Results indicate that a recently discovered "super-Earth" actually could be the remnant core of a Neptune-sized planet.
Provided by the Royal Astronomical Society, United Kingdom
Published: April 21, 2009 |
 | The planet orbiting Gliese 581 has a mass twice that of Earth.
Provided by ESO, Garching, Germany
Published: April 21, 2009 |
 | The discovery comes 40 years after the Apollo missions struggled with this environmental hazard on the lunar surface.
Provided by the American Geophysical Union, Washington, D.C.
Published: April 20, 2009 |
University of Cambridge communications offical says the famed scientist will remain there overnight. By Dick McNally
Published: April 20, 2009 |
 | Data from three telescopes have been combined to create a star-formation census of the Orion Nebula.
Provided by the Joint Astronomy Center, Hilo, Hawaii
Published: April 20, 2009 |
 | The Lyrid meteor shower peaks April 22, and conditions favor a great display. By Liz Kruesi
Published: April 17, 2009 |
 | For the first time, we can look for Earth-size planets in the habitable zones around other stars like the Sun.
Provided by NASA Headquarters, Washington, D.C.
Published: April 16, 2009 |
 | When orbital observations indicate a dust-raising storm is approaching a rover, the rover team can take steps to conserve energy.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 16, 2009 |
 | The 15 galaxies in the sample exhibit luminosities indicating that they are massive systems like the Milky Way and other giant galaxies.
Provided by Indiana University, Bloomington
Published: April 16, 2009 |
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Using three-dimensional observations, solar physicists can examine a coronal mass ejection's structure, velocity, mass, and direction in the corona while tracking it through interplanetary space.
Provided by NASA Headquarters, Washington, D.C.
Published: April 15, 2009 |
 | Despite the many observations by Hubble and other telescopes, astronomers are not sure what is causing the brightening.
Provided by STScI, Baltimore, Maryland
Published: April 14, 2009 |
 | The rover team is investigating whether the unexpected behavior in recent days could be related to new software.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 14, 2009 |
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An impact blasted the outer layers of Theia and Earth into orbit, which eventually coalesced under their own gravity to form the Moon.
Provided by Goddard Space Flight Center, Greenbelt, Maryland
Published: April 10, 2009 |
 | The largest mirror to be launched in space is the Herschel telescope's primary mirror.
Provided by ESA, Noordwijk, Netherlands
Published: April 9, 2009 |
 | The James Webb Space Telescope will give scientists clues about the formation of the universe and the evolution of our own solar system.
Provided by Goddard Space Flight Center, Greenbelt, Maryland
Published: April 9, 2009 |
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The spacecraft's photometer can now see the stars and will soon start the task of detecting planets.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 8, 2009 |
 | The so-called super Earths might be deficient in hydrogen cyanide, a molecule thought to have become a part of us.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: April 7, 2009 |
 | By combining spacecraft observations with ground-based telescope observations of a comet, scientists can create a more detailed model of what is happening on the comet's surface over time.
Provided by the Planetary Science Institute, Tucson, Arizona
Published: April 7, 2009 |
 | The combination of rapid rotation and ultra-strong magnetic field makes B1509 one of the most powerful electromagnetic generators in the galaxy.
Provided by NASA Headquarters, Washington, D.C.
Published: April 6, 2009 |
 | 'Noise' from the LISA mission will give scientists a way to study the mass and number of near-Earth asteroids.
Provided by the Planetary Science Institute, Tucson, Arizona
Published: April 6, 2009 |
 | There have been previous dedicated peculiar-velocity surveys, but the Six-Degree Field Galaxy Survey will provide more than five times more peculiar velocities than the largest of these surveys.
Provided by Anglo-Australian Observatory, Sydney
Published: April 3, 2009 |
 | This analysis provides information for what may prove to be one of the most important gamma-ray bursts (GRBs) seen in recent years.
Provided by ESA, Noordwijk, Netherlands
Published: April 3, 2009 |
 | Vewers will be able to visit some of the most advanced telescopes on and off the planet.
Provided by NASA Headquarters, Washington, D.C.
Published: April 3, 2009 |
 | The results show the fascinating new possibilities of high-resolution stellar imaging achievable with infrared interferometry.
Provided by the Max Planck Institute, Garching, Germany
Published: April 2, 2009 |
 | Atlantis' mission is the final shuttle flight to the Hubble Space Telescope. The astronauts will install two new instruments, repair two inactive ones, and replace other Hubble components.
Provided by NASA Headquarters, Washington, D.C.
Published: April 1, 2009 |
 | The Hubble picture not only provides important confirmation of the planet's existence, it provides a longer baseline for demonstrating that the object orbits the star.
Provided by STScI, Baltimore, Maryland
Published: April 1, 2009 |
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