• The eye of Hurricane Earl in the Atlantic Ocean, seen from a NASA research aircraft on Aug. 30, 2010. This flight through the eyewall caught Earl just as it was intensifying from a Category 2 to a Category 4 hurricane. Researchers collected air samples on
    Jane Peterson / NASA
    8:36am Jan 29, 2013
    Science Science Environment

    Bird, Plane, Bacteria? Microbes Thrive In Storm Clouds

    Microbes can thrive in extreme environments, from inside fiery volcanoes to down on the bottom of the ocean. Now scientists have found a surprising number of them living in storm clouds tens of thousands of feet above the Earth. And those airborne microbes could play a role in global climate.
  • 1:03pm Jan 25, 2013
    Science Science Environment

    Cold Snap Shakes Up Winter Weather Outlook

    Unusual activity in the atmosphere over the Arctic Circle is triggering snow and frigid temperatures across Canada, the U.S. and parts of Europe. Climatologist Jeff Weber, of the University Corporation of Atmospheric Research, explains why this winter could pack a punch.
  • "We will respond to the threat of climate change, knowing that the failure to do so would betray our children and future generations," President Obama said Monday during his second inaugural address.
    John Moore / Getty Images
    8:48pm Jan 22, 2013
    National National Science Politics & Government Environment

    In Second Inaugural, Obama Makes Climate A Priority

    President Obama pulled out a surprise in his inaugural address. After barely mentioning climate change in his campaign, he put it on his short list of priorities for his second term. Experts believe he'll use the EPA to ramp up efforts to reduce greenhouse gases from power plants.
  • 2:18pm Jan 22, 2013
    Science Science Environment

    Explorers Reflect On 125 Years Of National Geographic

    January 2013 marks the 125th birthday of the National Geographic Society. Over the decades, the magazine has transported readers to faraway places, introduced the world to new species and provided a window into a world of exploration and discovery.
  • 8:02pm Jan 20, 2013
    Politics & Government Politics & Government Environment

    Will The Grass Be Greener In Obama's Second Term?

    One of the chief expectations of those who voted for President Obama is that he moves assertively to pass climate change legislation, whatever the political climate in Washington. But that won't be easy given the polarization in Washington.
  • 5:29pm Jan 20, 2013
    Books Books Arts Environment

    Connecting With Nature To Reclaim Our Natural 'Birthright'

    Modern society has become adversarial in its relationship to nature, Yale scholar Stephen Kellert argues, having greatly undervalued the natural world beyond its narrow utilty. In his new book Birthright: People and Nature in the Modern World, he tells stories of the environment's effect on us, and ours on it.
  • Harvest wheat from a field near Wright, Kan. May 10, 2004.
    5:29pm Jan 20, 2013
    National National Science Environment Health & Safety

    Former Anti-GMO Activist Says Science Changed His Mind

    For years, British environmental activist Mark Lynas vandalized genetically modified food crops. Then, he had a change of heart. He went in front of the world to reverse his position, telling the anti-GMO lobby to "get out of the way and let the rest of us get on with feeding the world sustainably."