Climate

  1. Climate

    Climate change may spread Lyme disease

    The territory of the ticks that transmit Lyme disease is growing as the climate warms.

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  2. Earth

    How the Chicxulub impact made acid rain

    Using lasers to accelerate materials to asteroid-like impact velocities, scientists have shown how the Chicxulub asteroid impact, which happened roughly 65 million years ago, could have created a mass extinction in the oceans.

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  3. Climate

    Warm, wet weather may have helped Genghis Khan rule

    Mild, wet weather — not drought — may have helped Genghis Khan expand the Mongolian empire to the largest in human history.

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  4. Climate

    Cloudy forecast

    Over decades climatologists have grown more confident in their projections of the future impact of greenhouse gas emissions. But whether shifts in cloudiness will amplify global warming continues to vex researchers.

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  5. Climate

    Extreme heat on the rise

    Recent years saw an increase in peak high temperatures on land despite Earth’s stalled averages.

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  6. Climate

    Sharks could serve as ocean watchdogs

    Tagged with sensors, toothy fish gather weather and climate data in remote Pacific waters.

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  7. Ecosystems

    Arctic melting may help parasites infect new hosts

    Grey seals and beluga whales encounter killer microbes as ranges change.

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  8. Climate

    Biggest climate warmers

    The United States, China, Russia, Brazil, India, Germany and the United Kingdom are responsible for more than 60 percent of the 0.74 degree Celsius rise in global average temperature observed from 1906 to 2005.

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  9. Climate

    Strong winds may have waylaid global warming

    Gusts over the Pacific Ocean may have stashed heat underwater since 2001.

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  10. Climate

    Weather patterns over Southern Hemisphere have a regular pulse

    Variations in energy and rainfall over the Southern Hemisphere follow a pattern that repeats every 20 to 30 days.

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  11. Ecosystems

    Amazon doesn’t actually go green in dry seasons

    An optical illusion in satellite data made forests appear to grow faster.

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  12. Earth

    Eye in the sky

    With its free Images of Change iPad app and online gallery, NASA makes the aerial perspective available to all, with results both stunning and disturbing.

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