University of Otago whale researchers tasked to find "Saildrone" missing since 2015.

Māori nationwide to be asked: "What is keeping you awake at night?"

Federica Mogherini says the EU is always a solid, reliable partner.

Kite surfers putting on an impressive display while taking advantage of the southerly gale and big swells at Lyall Bay on Wellington's south coast.

The Southern Ocean below NZ absorbs 40 per cent of CO2 emissions. But for how much longer?

A leopard seal has been found shot dead on a Northland beach in New Zealand. Source: Supplied

Plastic pollution could push some NZ seabird species to the brink of extinction

As his co-workers insist it wasn't an accident.

All Blacks Sevens Tyla Nathan Wong and All Black Israel Dagg help raise awareness on how plastic effects our oceans. / Greg Bowker

Malnourished juvenile humpback whale washed ashore on German beach, shocking scientists.

Eugenie Sage wants to phase out single-use plastic bags but no decision has been made.

It we don't act now, more plastic will be in the oceans than fish.

Tragic images of ocean life swimming in plastic belies a bigger problem, researchers say.

50 years on from the Manapouri saga, NZ's laws have failed its environment, writer argues.

A ship which ran aground in 1865 has been uncovered by unusual tidal conditions.

Not enough is known about how these materials break down in the environment.

Scientists are appealing to the public to find three sea seismometers lost near Gisborne.

NZ has its very own population of the largest animal in the world: the blue whale.

Scientists have just detected a record, seven-storey-high wave in the Southern Ocean.

Anyone who thought it had become too sanitised has been proved to be way off the mark.

PM says new resolve on climate change and trade for Commonwealth leaders.

Marine heatwaves are growing longer, stronger and more frequent thanks to climate change.

Kiwis may not know they just lived through an event freakish even under climate change.

Temperatures were more than 2C above average in our summer of extremes.

The incident is captured in world first footage.

Two green sea turtles, Oscar and Kiwa, have been released into the ocean after being rescued from 90 Mile Beach almost two years ago.

Two green sea turtles have been released after being rescued almost two years ago.

Kiwi scientists return from Antarctica with important new climate-change insights.

During ancient climate change, our oceans lost their oxygen, a NZ-led study finds.

GoPro footage captured the heart-stopping moment a shark charged full speed at a diver.