Oceans

  1. world map of submarine fiber-optic cables
    Earth

    Underwater fiber-optic cables could moonlight as earthquake sensors

    The seafloor cables that ferry internet traffic across oceans may soon find another use: detecting underwater earthquakes.

    By
  2. researchers with a narwhal
    Animals

    Here’s what narwhals sound like underwater

    Scientists eavesdropped while narwhals clicked and buzzed. The work could help pinpoint how the whales may react to more human noise in the Arctic.

    By
  3. Antarctic iceberg
    Climate

    Antarctica has lost about 3 trillion metric tons of ice since 1992

    Antarctica’s rate of ice loss has sped up since 1992 — mostly in the last five years, raising global sea level by almost 8 millimeters on average.

    By
  4. Satellite image of Hurricane Harvey
    Climate

    Tropical cyclones have slowed over the last 70 years

    Tropical cyclones are moving 10 percent slower, on average, than they did in the mid-20th century, potentially making them more dangerous.

    By
  5. Chixculub impact illustration
    Paleontology

    The Chicxulub asteroid impact might have set off 100,000 years of global warming

    About 66 million years ago, the Chicxulub asteroid impact set off 100,000 years of global warming, an analysis of oxygen in fish fossils suggests.

    By
  6. Bottlenose dolphins
    Climate

    Bull sharks and bottlenose dolphins are moving north as the ocean warms

    Rising temperatures are making ocean waters farther north more hospitable for a variety of marine species.

    By
  7. krill
    Animals

    ‘The Curious Life of Krill’ is an ode to an underappreciated crustacean

    A new book makes the case that Antarctic krill and the dangers they face deserve your attention.

    By
  8. swimming brine shrimp
    Oceans

    Masses of shrimp and krill may play a huge role in mixing oceans

    Hoards of migrating shrimp and krill can cause large-scale turbulence in the ocean, a new study suggests.

    By
  9. cargo ship
    Climate

    Cargo ships must cut their emissions in half by 2050

    A new international agreement places a cap on greenhouse gas emissions from international cargo ships.

    By
  10. kelp forest
    Oceans

    Ocean heat waves are becoming more common and lasting longer

    Over the last 100 years, the world’s oceans have sweltered through a rising number of heat waves.

    By
  11. plastic pollution
    Environment

    Microplastics may enter freshwater and soil via compost

    Compost is pinpointed as a source of plastic pollution, but environmental fate and effects unknown.

    By
  12. Køge Bugt
    Climate

    Seafloor map shows why Greenland’s glaciers melt at different rates

    A new high-res look at the seafloor shows how ledges and dips affects whether relatively warm ocean water reaches the ice.

    By