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Your search has returned 4 images:
  • illustration of dinosaur doomsday
  • Matusevich Glacier
  • ice shelves in Antarctica
Your search has returned 6 articles:
  • Feature

    Devastation detectives try to solve dinosaur disappearance

    Below the shimmering turquoise waters of Mexico’s Yucatán Peninsula lies the scene of a prehistoric mass murder. In a geologic instant, most animal and plant species perished. Drilling through hundreds of meters of rock, investigators have finally reached the footprint left by the accused: Earth’s most notorious space rock impact, Chicxulub. The dinosaur killer.

    Sleuthing scientists are...

    01/25/2017 - 14:30 Earth, Paleontology
  • News

    Antarctic history suggests ice sheet ‘danger’ threshold

    Assembling a detailed timeline surrounding the Antarctic ice sheet’s inception around 34 million years ago, scientists have identified a carbon dioxide “danger zone” for the ice sheet’s demise.

    Based on CO2 levels when the ice sheet formed, the researchers report that Antarctica’s ice will be “dramatically” more vulnerable to melting once CO2 surpasses 600 parts per million in the...

    03/10/2016 - 14:00 Climate, Earth
  • Feature

    Year in review: Global warming continues apace

    A supposed pause in global warming that has been fodder for climate change doubters never really existed, researchers reported in 2015.

    The fuss began when studies showed that decades of warming appeared to have leveled off in 1998. From that year through 2012, Earth’s yearly average surface temperature increased at one-third to one-half the average rate from 1951 through 2012. This...

    12/15/2015 - 07:01 Climate
  • News

    Warming culprit CO2 has a cool side — and it’s in Antarctica

    In a cold corner of the world, carbon dioxide is doing something surprising. Instead of causing warming, rising CO2 levels over central Antarctica produce a net cooling effect, new research suggests.

    That discovery does not undermine the fact that accumulating greenhouse gases raise temperatures elsewhere around the world (SN: 4/4/15, p. 14), the researchers say. The effect is instead a...

    12/04/2015 - 07:00 Climate
  • Feature

    Science News of the Year 2005

    Science News of Yesteryear

    Anthropology & Archaeology

    Astronomy

    Behavior

    Biomedicine

    Botany & Zoology

    Cell & Molecular...

    12/20/2005 - 03:53 Humans & Society
  • Feature

    The Ozone Hole, Dynamically Speaking

    11/29/1986 - 00:00