Geology News

• Global Warming
  Climate
  Ice Ages
  Early Climate
  Oceanography
  Geography
   
  

  Ancient Ice Melt Unearthed in Antarctic Mud: 20-Meter Sea Level Rise, Five Million Years Ago

  July 21, 2013 — Global warming five million years ago may have caused parts of Antarctica's large ice sheets to melt and sea levels to rise by approximately 20 meters, scientists ... > full story
• Geology
  Earth Science
  Asteroids, Comets and Meteors
  Near-Earth Object Impacts
  Volcanoes
  Earthquakes
   
  

  Newly Discovered Flux in Earth May Solve Missing-Mantle Mystery

  July 17, 2013 — Researchers have identified a "hidden flux" of material in Earth's mantle that would make the planet's overall composition much more similar to that of ... > full story
• Volcanoes
  Natural Disasters
  Earthquakes
  Geology
  Tsunamis
  Earth Science
   
  

  Some Volcanoes 'Scream' at Ever Higher Pitches Until They Blow Their Tops

  July 14, 2013 — Swarms of small earthquakes can precede a volcanic eruption, sometimes resulting in "harmonic tremor" resembling sound from some musical instruments. A new analysis shows tremor during a 2009 ... > full story
• Geology
  Earth Science
  Near-Earth Object Impacts
  Atmosphere
  Geomagnetic Storms
  Environmental Issues
   
  

  Earth's Core Affects Length of Day

  July 11, 2013 — Researchers have found that variations in the length of day over periods of between one and 10 years are caused by processes in the Earth's ... > full story
• Oil Spills
  Petroleum
  Energy and Resources
  Energy and the Environment
  Environmental Issues
  Energy Issues
   
  

  'Peak Oil' Concerns Should Ease, Experts Predict

  July 10, 2013 — Should concerns about "peak oil" focus on demand for oil rather than dwindling supplies of it? Yes, according to a new analysis. Limits to consumption by the wealthy, better fuel efficiency and lower ... > full story
• Climate
  Early Climate
  Atmosphere
  Earth Science
  Global Warming
  Environmental Issues
   
  

  How Early Earth Kept Warm Enough to Support Life

  July 9, 2013 — Solving the "faint young sun paradox" -- explaining how early Earth was warm and habitable for life beginning more than three billion years ago even though the sun was 20 percent dimmer than today -- ... > full story
• Geology
  Geography
  Earthquakes
  Tsunamis
  Natural Disasters
  Earth Science
   
  

  Ancient Jigsaw Puzzle of Past Supercontinent Revealed

  July 5, 2013 — A new study has revealed the past position of the Australian, Antarctic and Indian tectonic plates, demonstrating how they formed the supercontinent Gondwana 165 million years ... > full story
• Mars
  Space Missions
  NASA
  Space Exploration
  Solar System
  Astronomy
   

  Sterilizing Mars Spacecraft Is Largely a Waste of Money, Two Experts Argue

  June 27, 2013 — Two university researchers say environmental restrictions have become unnecessarily restrictive and expensive -- on ... > full story
• Geology
  Earthquakes
  Natural Disasters
  Earth Science
  Volcanoes
  Geography
   
  

  Location of Upwelling in Earth's Mantle Discovered to Be Stable

  June 26, 2013 — A new study shows that large-scale upwelling within Earth's mantle mostly occurs in only two places: Beneath Africa and the Central Pacific. These upwelling locations have remained remarkably stable ... > full story
• Water
  Environmental Issues
  Pollution
  Environmental Policies
  World Development
  Resource Shortage
   

  Higher Levels of Stray Gases Found in Water Wells Near Shale Gas Sites

  June 24, 2013 — Homeowners living within one kilometer of shale gas wells appear to be at higher risk of having their drinking water contaminated by stray gases, according to a new ... > full story

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