On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

  • Partners and funding

    The voyage is supported by funding from NIWA, MBIE, the Deep South National Science Challenge and the University of Auckland.
  • Summer series 2017 - Sailing the Southern Ocean - a scientific odyssey

    Media release
    NIWA’s research vessel Tangaroa sets off for a six-week voyage to Antarctica in February. Six of those aboard explain what they’re doing, what they’re worried about and the one thing they wouldn’t be without.
  • Dramatic sea ice decline limits NIWA’s Antarctic research

    Media release
    A dramatic change in sea ice this year is likely to hamper a NIWA-led research project aiming to better understand how ice shelves will melt as the ocean warms.
  • Breaking the ice

    Feature story
    The Deep South National Science Challenge is one of New Zealand’s most audacious collaborative projects in recent times.
  • From sea ice to sea bed

    Feature story
    Pioneering NIWA scientists are returning to the cold continent in October, this time to focus on the seabed.
  • Revealing toothfish secrets

    Feature story
    The Ross Sea Marine Protected Area (MPA) in the Southern Ocean will help further research into the ecology of Antarctic toothfish.
  • What is Ocean acidification?

    NIWA oceanographer Dr Cliff Law explains the impacts of ocean acidification on organisms that use carbonates to build their shells, and on bacteria.
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    The formation of the Antarctic bottom water

    Blog
  • Critter of the week

    In this blog series, we feature a new critter from our expansive invertebrate collection including pictures of specimens in their unique habitat. The blogs also feature news, links and fun facts that showcase New Zealand’s fascinating marine fauna.
  • Coldest seawater discovered

    Feature story
    The coldest seawater on earth could help scientists understand why Antarctic sea ice is growing in a warming world
  • Emperor penguin foraging behaviour revealed

    Media release
    An unavoidable delay in a research ship’s voyage to Antarctica resulted in some surprising and important findings about the behaviour of emperor penguins.
  • Tonga volcano “afterglow” causes dazzling skies in Antarctica

    Media release
    Antarctica is experiencing stunning skyscapes like those recently seen in New Zealand, thanks to the afterglow effect from the Tongan volcano.