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.

National Geographic's cover is going viral featuring image called "one for the ages".

Changes in Earth's orbit have influenced evolution - and extinction - over 450m years.

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.

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.

Government considering plastic bags ban after 65,000-strong petition handed to Parliament.

Number of NZ sea lion pups on subantarctic islands falls 40 per cent in just 20 years.

What impact is dumped rubbish having on our marine life?

What could be a record summer has come with warmer water that "revved up" Cyclone Gita.

Nicky Sinden wants people to head down to their local beach on Sunday for a clean-up.

The Underwater Photographer of the Year 2018 has just been announced.

Crayfish quotas are not allowing the fish to survive in northern waters.

He described the moment as "beautiful" and "other-worldly".

The astonishing thing is not what it means to us, but what it means to them.

Guests have been warned not to skinny-dip or take selfies with the fish.

Boaties had an incredibly close encounter with orca at Ponui Island near Waiheke. Credit: Jitske Braaksma

A pod of dolphins played with holiday goers in the Bay of Plenty in the second sighting in two days. Credit: Ella Southward

Microplastic particles polluting Earth's oceans now found in Antarctica's pristine waters.