NASA: National Aeronautics and Space Administration

NASA Earth Observatory

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Feature Articles

  1. Climate and Earth’s Energy Budget

    Earth’s temperature depends on how much sunlight the land, oceans, and atmosphere absorb, and how much heat the planet radiates back to space. This fact sheet describes the net flow of energy through different parts of the Earth system, and explains how the planetary energy budget stays in balance.

  2. Earth Perspectives

    In 2008, as NASA celebrated its 50th anniversary, the Earth Observatory asked a number of Earth scientists what we have learned about our home planet by going into space.

  3. Correcting Ocean Cooling

    Scientists revise their conclusion that the ocean has cooled since 2003.

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