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E.g., 02/16/2019
E.g., 02/16/2019
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  • thunderstorm
  • Greenland ice sheet
  • larsen c and iceberg A68
Your search has returned 1067 articles:
  • News

    Muons reveal the whopping voltages inside a thunderstorm

    An invisible drizzle of subatomic particles has shown that thunderstorms may store up much higher electric voltages than we thought.

    Using muons, heavier relatives of electrons that constantly rain down on Earth’s surface, scientists probed the insides of a storm in southern India in December 2014. The cloud’s electric potential — the amount of work necessary to move an electron from one...

    02/15/2019 - 07:00 Earth, Particle Physics
  • News in Brief

    Greenland may have another massive crater hiding under its ice

    Greenland’s ice may be hiding more than one crater left by long-ago meteorite impacts.

    An analysis of satellite and airborne images of the topography beneath the ice sheet has revealed a large, craterlike structure buried beneath two kilometers of ice. It’s just 183 kilometers southeast of Hiawatha, another possible large impact crater described in November (SN: 12/8/18, p. 6). The...

    02/12/2019 - 10:06 Earth
  • News

    An Antarctic expedition will search for what lived under the Larsen C ice shelf

    Maybe the fourth time’s the charm. On February 9, an international team of scientists is embarking on yet another mission to hunt for ocean life that may have once dwelled in the shadow of a giant iceberg (SN Online: 10/13/17).  The scientists, led by researchers at the Alfred Wegener Institute in Bremerhaven, Germany, are headed to the Larsen C ice shelf on the Antarctic Peninsula, where a...

    02/08/2019 - 14:59 Climate, Oceans, Earth
  • News

    2018 was the fourth-hottest year on record, and it’s getting even hotter

    Overall, 2018 was the fourth-warmest year on record, and climate change trends suggest that temperatures will only continue to climb, scientists said February 6 during a joint news conference by the National Oceanic and Atmospheric Administration and NASA.

    The agencies’ data show that global atmospheric temperatures in 2018 were on average 0.79 degrees Celsius warmer than the average...

    02/06/2019 - 18:48 Climate, Oceans, Earth
  • Feature

    Five explosive things the 2018 eruption taught us about Kilauea

    After a stunningly volatile 2018, Hawaii’s Kilauea volcano, which had been continuously erupting since 1983, finally seems to be taking a break. Following 35 years of nonstop activity, no lava is currently flowing from the Big Island’s most famous volcano.

    Scientists thought they knew Kilauea pretty well. It’s one of the most closely monitored volcanoes in the world, with instruments...

    01/29/2019 - 07:00 Earth
  • News

    Earth’s core may have hardened just in time to save its magnetic field

    Earth’s inner core solidified sometime after 565 million years ago — just in time to not only save the planet’s protective magnetic field from imminent collapse, but also to kick-start it into its current, powerful phase, a new study suggests.

    The finding, reported online January 28 in Nature Geoscience, supports an idea previously proposed by simulations that Earth’s inner core is...

    01/28/2019 - 15:02 Earth
  • 50 years ago, scientists tried to control earthquakes with earthquakes

    The Federal Council for Science and Technology … recommends a 10-year national earthquake research program to find ways to predict when and where quakes will strike and … [how to] defuse and prevent earthquakes, or at least modify them. Basically, the idea is simple: Inject fluid into underground rock, release the strain and produce a gradual series of tiny earthquakes or tremors...
    01/24/2019 - 07:00 Earth
  • Science Visualized

    Erosion has erased most of Earth’s impact craters. Here are the survivors

    When it comes to impact craters, Earth is the pauper of the solar system.

    Even with a recent, still-to-be-confirmed crater discovery under Greenland’s ice, there are fewer than 200 known impact craters on the planet. Mars, for comparison, has hundreds of thousands.

    Produced by falling space rocks, most impact craters on Earth have been wiped away over time by wind, rain, shifting...

    12/18/2018 - 06:00 Earth
  • Year in Review

    Greenland crater renewed the debate over an ancient climate mystery

    For three years, a team of scientists kept a big secret: They had discovered a giant crater-shaped depression buried beneath about a kilometer of ice in northwestern Greenland. In November, the researchers revealed their find to the world.

    They hadn’t set out to find a crater. But in 2015, glaciologists studying ice-penetrating radar images of Greenland’s ice sheet, part of an...

    12/17/2018 - 08:27 Earth, Climate, Paleontology
  • News

    Here’s what was surprising about Kilauea’s 3-month-long eruption

    WASHINGTON — After a stunningly explosive summer, Kilauea, the world’s longest continuously erupting volcano, finally seems to have taken a break. But the scientists studying it haven’t. Reams of new data collected during an unprecedented opportunity to monitor an ongoing, accessible eruption are changing what’s known about how some volcanoes behave.

    “It was hugely significant,” says...

    12/11/2018 - 18:39 Earth