• 23 May 1997

    The blue waters of the Pacific hide a profusion of submerged mountains, the residue of more than 10,000 undersea volcanoes.

  • 13 May 1997

    The discoverer of the Earth's inner core, Danish geophysicist Inge Lehman, was born on this day in 1888. After studying the shock waves from earthquakes recorded on seismographs, Lehman proposed that Earth has a smaller, solid inner core.

  • 8 May 1997

    Corals by nature are stoic creatures, huddling together in their stony reefs to resist the ocean's currents and turbulence.

  • 16 Apr 1997

    Earth is not only getting warmer; it's getting greener as well, says a group of U.S. researchers in tomorrow's issue of Nature.

  • 14 Apr 1997

    Fish living in waters near the North and South Poles separately evolved nearly identical antifreeze proteins to keep their blood and organs from freezing.

  • 11 Apr 1997

    New Englanders who suffered through a spring blizzard last week came in for an equally rare, but far more delightful, treat last night: the aurora borealis.

  • 10 Apr 1997

    A cloud of charged particles ejected by the sun smashed into Earth's upper atmosphere this afternoon, several hours later than predicted. The mild magnetic storm doesn't appear to have harmed the astronauts aboard the Mir space station or damaged communications satellites.

  • 10 Apr 1997

    Researchers have long considered the ancient oceans, gently sloshing and full of nutrients, to be a likely birthplace of the first cells. Now it seems that life could have emerged in a harsher cradle: the scalding, dark world of deep-sea volcanoes.

  • 3 Apr 1997

    Hoping to clear up one of the murky mysteries of dirty urban air, scientists have devised a mathematical model to predict how hydrocarbons from gasoline are transformed into tiny, and potentially unhealthy, particles.

  • 25 Mar 1997

    Japan's 32-year-old earthquake-prediction research program has failed to meet its goal of warning the public of impending earthquakes and has overstated the chances of developing accurate forecasts.

  • 13 Mar 1997

    The famous martian meteorite, ALH84001, may be cool enough for life again.

  • 12 Mar 1997

    WASHINGTON--An expert panel recommended today that the National Science Foundation (NSF) go ahead with its plan to build an ambitious new research station at the South Pole.

  • 11 Mar 1997

    CINCINNATI--In 1989, a researcher at North Carolina State University was studying a newly discovered one-celled marine organism when he developed persistent confusion and memory loss. Other scientists in the lab later became sick, too.

  • 28 Feb 1997

    Paleontologists searching for an explanation for why modern mammals suddenly appeared in North America 55 million years ago had never thought to probe the deep sea.

  • 21 Feb 1997

    The ozone hole over Antarctica has been implicated for the first time in harm to animal life.

  • 13 Feb 1997

    Climate experts declared last year that they have strong evidence that human activities have warmed Earth's climate by half a degree over the past century. But computer models predict that the warming, caused by buildup of greenhouse gases in the atmosphere, should be twice that amount.

  • 11 Feb 1997

    The controversy over whether a Martian meteorite bears evidence of ancient life is still raging, but two scientists think they've pinned down where on Mars the famed chunk of rock originated.

  • 29 Jan 1997

    Underground steam is a great alternative source of energy with a huge drawback: It's hard to judge the size of a geothermal field before power plants start losing steam.

  • 24 Jan 1997

    By 2.7 billion years ago, the cooling Earth had formed a crust of continental rock about as thick as today's terra firma. The finding, reported in today's Science,* appears to solve a long-running mystery of when the ground we live on formed.

  • 22 Jan 1997

    WASHINGTON--On 11 January, Earth got a visitor from space: a gigantic cloud of magnetized solar gas. This visitor may have arrived unnoticed to most people, but it didn't slip past the watchdogs at NASA and other space agencies worldwide.

  • 14 Jan 1997

    The American oceanographer Matthew Maury was born on this day in 1806. His monumental work, "Wind and Current Chart of the North Atlantic," issued in 1847, and his later charts of the Pacific and Indian Oceans, greatly aided the shipping industry.

  • 8 Jan 1997

    Cracks in the Earth's crust deep below the sea may not be as secure a refuge for weird life-forms--worms, mollusks, and other ancient species--as scientists had thought.

  • 6 Jan 1997

    Albuquerque, New Mexico--Marine biologist Charles Fisher has solved a mystery of the deep: How do some giant tube worms that live on the ocean floor obtain the hydrogen sulfide they need to survive? The answer: They mine it.

  • 26 Dec 1996

    Today is the 135th anniversary of the birth of Emil Wiechert, a German geophysicist who helped launch the field of seismology. He developed by 1900 the Wiechert seismograph, an inverted pendulum instrument for measuring horizontal and vertical ground motion.

  • 19 Dec 1996

    A profound change appears to be sweeping the landscape above the Arctic Circle: Northern Alaska's tundra is warming up, perhaps because of local climate change.