Search Results for: Oceanography

Open the calendar Use the arrow keys to select a date
1,679 results
  1. An elevation image of Kelvin Seamount, in a rainbow of color with purple at the bottom and red at the top, on a black background.
    Oceans

    Satellite data reveal nearly 20,000 previously unknown deep-sea mountains

    By looking for tiny bumps in sea level caused by the gravity of subsurface mountains, researchers have roughly doubled the number of known seamounts.

    By Katherine Kornei
  2. An image of a map of the world.
    Oceans

    ‘The Deepest Map’ explores the thrills — and dangers — of charting the ocean

    A new book follows the race to map the seafloor, documenting how it’s done, why and what a clear view of the deep sea could mean for Earth’s future.

    By Alka Tripathy-Lang
  3. A lightning bolt piercing smoke and lava from a volcanic eruption
    Life

    Ancient giant eruptions may have seeded nitrogen needed for life

    A new study bolsters the idea that on the young Earth volcanic lightning may have provided some materials that made it possible for life to emerge.

    By Bas den Hond
  4. A photo of a small purple fist swimming near some plant life and what appears to be a robot arm.
    Animals

    A ‘fire wolf’ fish could expand what we know about one unusual deep-sea ecosystem

    Unlike other known methane seeps, Jacó Scar is slightly warmer than the surrounding water and is a home for both cold-loving and heat-loving organisms.

    By Darren Incorvaia
  5. The Rogue River with trees and rocks on either side.
    Environment

    Heat waves in U.S. rivers are on the rise. Here’s why that’s a problem

    In recent years, heat waves in U.S. rivers have gotten more frequent, causing trouble for fish, plants and water quality.

    By Jude Coleman
  6. Fishers pull in a large Atlantic bluefin tuna from choppy seas
    Oceans

    Sharks face rising odds of extinction even as other big fish populations recover

    Over the last 70 years, large ocean fishes like tuna and marlin have been recovering from overfishing. But sharks continue to decline toward extinction.

    By Jake Buehler
  7. A flooded street with stormy skies overhead
    Climate

    By flying over atmospheric rivers, scientists aim to improve forecasts

    Drenching atmospheric rivers are slamming the U.S. West Coast, bringing needed water but dangerous flooding. Here’s how scientists study these storms.

    By Carolyn Gramling
  8. photo shows mangrove trees in the foreground and a beach with boats on the water in the background
    Environment

    Mangrove forests expand and contract with a lunar cycle

    The carbon-sequestering trees grow in a roughly 18-year cycle according to tides influenced by the moon’s orbit, a study in Australia finds.

    By Katherine Kornei

  9. Predicting the damage caused by extreme storms

    Editor in chief Nancy Shute discusses how scientists are figuring out how to predict the effects of extreme hurricanes.

    By Nancy Shute
  10. A photo of a researchers camp on Antarctica's Thwaites Glacier.
    Climate

    Rapid melting is eroding vulnerable cracks in Thwaites Glacier’s underbelly

    Thwaites is melting slower than thought, but the worst of it is concentrated in underbelly cracks, threatening the Antarctica glacier’s stability.

    By Douglas Fox
  11. A photo of a person standing next to a snow mobile and a stack of supplies with tracks in the snow disappearing into the distance.
    Earth

    A massive cavern beneath a West Antarctic glacier is teeming with life

    A subglacial river has carved out the cavern beneath the Kamb Ice Stream, a West Antarctic glacier, and may be supplying nutrients necessary for life.

    By Douglas Fox
  12. a photo of a submersible
    Science & Society

    A new book explores how military funding shaped the science of oceanography

    In ‘Science on a Mission,’ science historian Naomi Oreskes argues that funding from the U.S. Navy both facilitated and stymied marine research.

    By Alka Tripathy-Lang