1. Earth

    Scientists spy sixth undersea-vent ecology

    A new group of hydrothermal vents found in the Indian Ocean are populated by communities of organisms that differ significantly from other such groups of vent systems.

  2. Earth

    Life on the Edge

    Will a mass extinction usher in a world of weeds and pests?

  3. Earth

    Antarctic sediments muddy climate debate

    Ocean-floor sediments drilled from Antarctic regions recently covered by ice shelves suggest that those shelves were much younger than scientists had previously thought.

  4. Earth

    Aircraft spies on health of coral reefs

    Marine ecologists report the development of a new remote-sensing system that can assess the health of coral reefs from planes.

  5. Earth

    L.A. moves, but not in the way expected

    Researchers monitoring small ground motions along faults in Southern California ended up detecting an altogether different phenomenon: the rise and fall of the ground as local governments pump billions of gallons of water into and out of the region's aquifers.

  6. Earth

    Sahara to get hotter, drier, smaller

    By the end of this century, the world's hottest desert will be even hotter, drier, and smaller than it is now, according to an international team of climate modelers.

  7. Earth

    Resetting a clock from Earth’s rocks

    Better measurements of one of the rates of radioactive decay used to date extremely old rocks open up the possibility that Earth may have had a crust as many as 200 million years earlier than previously thought.

  8. Earth

    Deep-sea gear takes wild ride on lava

    When a set of instruments monitoring an underwater volcano got trapped in an eruption in early 1998, the scientists who had deployed the sensors ended up with more data than they bargained for.

  9. Agriculture

    Gene Makes Tomatoes Tolerate Salt

    The world's first genetically engineered salt-tolerant tomato plant may help farmers utilize spoiled lands.

  10. Earth

    Climate accord reached

    Negotiators, without U.S. representatives' input, resolved controversies in Bonn that were blocking an international treaty to limit greenhouse gases.

  11. Earth

    Atlantic coast may be in for a pounding

    The above-average number and strength of hurricanes in the North Atlantic during the past 6 years may signal the beginning of a threatening weather trend for the United States, the Caribbean, and Central America.

  12. Earth

    Power Harvests

    Farmers are finding that commercial wind power is the best new commodity to come along in years, one that can offer substantial year-round income.