Asteroid, Comet, Meteor News

• Geology
  Earthquakes
  Natural Disasters
  Earth Science
  Near-Earth Object Impacts
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  Earth Is 'Lazy' When Forming Faults Like Those Near San Andreas

  April 3, 2013 — Some geoscientists have taken an uncommon, “Earth is lazy” approach to modeling fault development in the crust and it is providing new insights into how faults grow. In particular, this ... > full story
• Sun
  Geomagnetic Storms
  Solar Flare
  Earth Science
  Solar System
  Astronomy
   
  

  NASA's SORCE Satellite Marks a Decade in the Sun

  April 2, 2013 — NASA's Solar Radiation and Climate Experiment (SORCE) satellite has been providing data on the sun's irradiance for 10 years. SORCE measures electromagnetic radiation produced by the sun and the ... > full story
• Nebulae
  Stars
  Space Telescopes
  NASA
  Astronomy
  Space Exploration
   
  

  Hubble Sees J 900 Masquerading as a Double Star

  April 2, 2013 — A new image from the Hubble Space Telescope shows Jonckheere 900 or J 900, a planetary nebula -- glowing shells of ionized gas pushed out by a dying star. Discovered in the early 1900s by astronomer ... > full story
• Geology
  Earth Science
  Earthquakes
  Near-Earth Object Impacts
  Geography
  Natural Disasters
   

  Congestion in Earth's Mantle: Mineralogists Explain Why Plate Tectonics Stagnates in Some Places

  March 31, 2013 — Seismic measurements show that in some regions of the Earth's mantle, plate tectonics stagnates. The causes of the 'congestion' of the subducted plate are still unknown. In a new study, mineralogists ... > full story
• Asteroids, Comets and Meteors
  Astronomy
  Sun
  Solar Flare
  NASA
  Space Exploration
   
  

  NASA's Swift Sizes Up Comet ISON

  March 29, 2013 — Astronomers have used NASA's Swift satellite to check out comet C/2012 S1 (ISON), which may become one of the most dazzling in decades when it rounds the sun later this ... > full story
• Solar System
  Saturn
  Astronomy
  Sun
  Space Exploration
  Space Probes
   
  

  Saturn Is Like an Antiques Shop, Cassini Suggests; Moons and Rings Date Back to Solar System's Birth

  March 27, 2013 — A new analysis of data from NASA's Cassini spacecraft suggests that Saturn's moons and rings are gently worn vintage goods from around the time of our solar system's birth. Though they are tinted on ... > full story
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Earth Science
  Atmosphere
  Geology
  Environmental Issues
   
  

  New Evidence Ancient Asteroid Caused Global Firestorm on Earth

  March 27, 2013 — A new look at conditions after a Manhattan-sized asteroid slammed into a region of Mexico in the dinosaur days indicates the event could have triggered a global firestorm that would have burned every ... > full story
• Stars
  Galaxies
  Astrophysics
  Astronomy
  Nebulae
  Extrasolar Planets
   
  

  Young, Hot and Blue: Stars in the Cluster NGC 2547

  March 27, 2013 — The Universe is an old neighborhood -- roughly 13.8 billion years old. Our galaxy, the Milky Way, is also ancient -- some of its stars are more than 13 billion years old (eso0425). Nevertheless, ... > full story
• Space Station
  NASA
  Space Missions
  Space Exploration
  Astronomy
  Space Probes
   

  SpaceX Dragon Spacecraft Carrying NASA Cargo Ready for Return to Earth

  March 26, 2013 — More than three weeks after arriving at the International Space Station, the Space Exploration Technologies Corp. (SpaceX) Dragon spacecraft is ready for the trip back to Earth, now scheduled for ... > full story
• Optics
  Engineering and Construction
  Graphene
  Weapons Technology
  Physics
  Materials Science
   
  

  'Metascreen' Forms Ultra-Thin Invisibility Cloak

  March 25, 2013 — Up until now, the invisibility cloaks put forward by scientists have been fairly bulky contraptions -- an obvious flaw for those interested in Harry Potter-style ... > full story

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