Earth

  1. Climate

    Central American fires may intensify U.S. tornadoes

    Smoke originating from Central American fires may strengthen U.S. tornadoes.

    By
  2. Agriculture

    Superbugs take flight from cattle farms

    Winds can carry antibiotics and drug-resistant bacteria from cattle farms to downwind communities.

    By
  3. Climate

    The continental divide of 2014 temperature

    According to data from NASA and NOAA, 2014 was one of the hottest years on record — in some states.

    By
  4. Climate

    Warming could nearly double rate of severe La Niña events

    Changing climate in the western Pacific could roughly double the frequency of severe La Niña events that cause extreme weather shifts across the globe.

    By
  5. Environment

    Atrazine’s path to cancer possibly clarified

    Scientists have identified a cellular button that the controversial herbicide atrazine presses to promote tumor development.

    By
  6. Climate

    2014 was Earth’s warmest year on record

    Record-hot 2014 marks the 38th consecutive year of temperatures above the 20th century’s average.

    By
  7. Earth

    Faulty thermometers exaggerated western U.S. mountain warming

    Defective thermometers used in snowpack and ecology research overstated warming in western U.S. mountains.

    By
  8. Environment

    More toxic chemicals found in oil and gas wastewater

    High levels of ammonium and iodide found in wastewater from oil and gas exploration can harm aquatic life and form dangerous byproducts in tap water.

    By
  9. Neuroscience

    Feedback

    Readers discuss volcanoes and brain studies involving chocolate, and recommend some science-based options for game night.

    By
  10. Climate

    Warming climate will force airlines to shed weight, increase costs

    More frequent hot days coming with climate change will require airlines to reduce aircraft takeoff weight.

    By
  11. Earth

    Pumping carbon dioxide deep underground may trigger earthquakes

    Injecting carbon dioxide deep underground offers a promising way to curb global warming, but the extra pressure may cause faults to slip or fractures to release the buried gas.

    By
  12. Climate

    Galápagos waters preview future for corals

    Posthumous analysis of Galápagos coral reefs reveals how climate change, carbon dioxide and pollution could kill off reefs worldwide by 2050.

    By