Atmospheric analysis

NIWA marine ecologists, including specialist divers, are heading south shortly for the second stage in a range of experiments that take place under the ice in Antarctica.

Brachiopods might look like a mollusc, but they are actually more closely related to bryozoans (lace corals).

Footage of southern right whales, filmed near Campbell Island, one of New Zealand's sub-Antarctic islands.

A stunning close up photograph of a rare, bright yellow and blue aquatic creature has been voted the winner of this year’s public choice category of NIWA’s photography competition.

Scientists on a rugged mid-winter trip to the remote sub-Antarctic islands have confirmed a large contingent of endangered southern right whales are spending the colder months near Campbell Island.

A NIWA study has shown that environmental factors influence the level of mercury in fish and other organisms in lakes in New Zealand's North Island geothermal area

You might occasionally come across this long-spined beauty, the spiny murex or Poirieria zelandica, washed up at the beach, arguably one of our most impressive shells

CONA studies in Rangiora in 2015-17 and Alexandra in 2018 have proven that the technologies and methodologies used provide valuable data to support mitigation efforts by local authorities.

This week we thought we would go back to the beginning and revisit our very first Critter, which many of you may not have seen. Let’s take another look at the spiny sea slater Brucerolis brandtae.

Many areas in the South Island are tracking towards record dry spells as relatively warm, dry weather that began in mid-August continues