NZ scientists are preparing to probe the France-sized Ross Ice Shelf in Antarctica.

The Greens want a higher refugee quota - and for rich foreign investors to pay for it.

New Zealand has joined a sprawling effort to map the ocean floor of the entire world.

Scientists have concluded that the Great Barrier Reef can no longer be saved.

Do we need a Hippocratic Oath to better protect our oceans? Two experts explain.

A monster wave has just been recorded near Campbell Island.

Some coastal communities may have to be pulled back in the face of sea level rise.

An event that happened 183 million years ago could be on the brink of happening again.

Pesky pine pollen from New Zealand forests could be altering far-away ocean ecosystems.

Kiwi ultra-distance swimmer Kim Chambers is diving into US-Mexico border relations.

Early morning swimmers found a shocking surprise in their ocean pool.

Journalist's adventure to film the blue whale turns into an environmental horror story.

Our oceans are bearing the brunt of climate change. How much more heat can they take?

Micrometre-sized plastics are wreaking havoc in our oceans, a scientist says.

A grant from the Heartland Fund has helped the latest Kawhia beach cleanup. But, an ownership review of King Country Energy could mean the future of the community fund is at risk. Made with Funding from NZ On Air

International festival, Sea Walls: Murals for Oceans, organised by PangeaSeed, a public art project that brings the oceans into the streets around the world, is coming back to Napier for a second year. Made with funding from NZ On Air.

A 14-year-old from Kiribati was rescued after drifting alone in the Pacific Ocean.

Fisheries groups have teamed up to oppose Trans Tasman Resources' second bid to mine iron sands from the ocean floor in New Zealand's Exclusive Economic Zone.

There's a strange side to one of the country's wealthiest citizens.

COMMENT: I'm glad we finally moved towards banning microbeads, it's been great for the nation to have this conversation, late or not.

A landmark court ruling which allows councils to place restrictions on fishing is being challenged by the Government.

Conservation group Sea Shepherd have photographed a Japanese whaling ship with a dead whale in protected waters.

In the last of a five-part series looking at research in Auckland's blue backyard, an expert discusses how far our ocean ecosystems can be pushed.

Getting closer than 50m to a killer whale could set you back a couple hundred thousand or land you behind bars.

In the second of a five part series on Auckland's big blue backyard, science reporter Jamie Morton talks to seabird expert Dr Brendon Dunphy.

A sleek, human-driven submarine and a cutting-edge underwater sensing system are among the impressive innovations of a team of Auckland Uni engineers.

This week, the Herald takes a look at Kiwis who are dedicated to helping our animals. Today Jamie Morton looks at Kelly Tarlton's Turtle Rehabilitation programme.

A Kiwi climate scientist says he's been alarmed at how much sea ice the planet's poles lost in 2016, in what was one of the hottest years on record.

Fishing companies pledge changes to help endangered Maui dolphins.

Tristram Clayton embarks on an unforgettable tour of the Celebrity Solstice while it visits Auckland.