A home belonging to world renowned marine biologist Bill Ballantine is on the market after more than 50 years.

A yacht that struck an object in the Hauraki Gulf sparks an overnight rescue.

A 300kg leopard seal looks to be in Auckland to stay, as the hefty visitor makes itself a summer spectacle for ferry commuters.

The little girl who had been missing at sea with her father for almost a month is due back in New Zealand in the next few days.

An extradition order is not being sought for a Kiwi yachtsman who sailed to Australia with his young daughter.

These are the first pictures of Que Langdon reunited with her mother, after almost a month at sea with her father.

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.

In Auckland's Hauraki Gulf, you can find one quarter of the world's seabird species - and around 20 per cent of its whale and dolphin species.

This is what you do when you need to take home a massive fish.

Whale Watch is back on the water in Kaikoura.

This week, the Herald takes a look at Kiwis who are dedicated to helping our animals. Today Jamie Morton talks to Project Jonah's Daren Glover.

A new fight may be developing between Government and iwi over fishing rights, this time in the Marlborough Sounds.

A family of four has been rescued after their boat sank in Lake Taupo this morning.

Missing yachtie likely to be sailing his tiny catamaran to Australia, where he has disappeared with his 6-year-old daughter Que previously, according to an expert.

Small shark bites woman snorkelling in marine sanctuary.

The disappearance of a father and daughter who set sail in a small catamaran 10 days ago is "very upsetting" for the family's local community.

Locals were unable to save whale that repeatedly stranded on popular beach.

COMMENT: Tiny little specks of land hundreds of kilometres from New Zealand may hold key secrets about the future of our planet.

Kiwi anglers will be able to log their catch this summer - and contribute to data around our fish stocks - thanks to a free app.

Hawke's Bay Regional Council will consider marine reserves early next year, with a recent Environment Court decision giving regional

A large leopard seal seems to have made its home in the waters of Auckland harbour.

A popular fishing competition which earlier this year led to a winner being asked to take a lie-detector test has rewritten the rules

A stunning summer's day in Wellington has attracted some aquatic visitors to the coastline, with locals spotting orcas and dolphins.

NIWA marine ecology technician Mark Fenwick was recently working off the coast of Marlborough, participating in survey work to determine the impacts of the November 14 mW 7.8 earthquake on the rock lobster fishery.

Fishing companies pledge changes to help endangered Maui dolphins.

A researcher who has uncovered new insights into New Zealand's ocean environment says seafloor communities need better protection against any future deep-sea mining.

Changes taking place in Antarctica are significant another to influence those on the other side of the planet, new research co-authored by a Kiwi scientist has found.