Recordings of Gray's and strap-toothed beaked whales have been captured in NZ waters.

Squid-fishing net's escape hatch appears to have failed, trapping female sea lion.

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

Two pods of the marine animals were spotted this morning including a mother and her calf

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

The killer whale was likely the same one that stranded in Whangarei Harbour last year.

The cause of death is not yet known, but photos show possible blunt force trauma to the head.

A researcher says it's embarrassing our country hasn't yet made the move.

Coastguard towed boat to safety after it struggled on a harbour bar.

Lawyer says almost all iwi accept abandoning ship's remains should be allowed.

Travel is safer now, so fewer of us are dying in large-scale disasters, but climate change could reverse the trend.

A bigger scheme proposed last year drew opposition from the Waiheke Island community.

In 2015, the first year of a three-year survey 33 blue whales were sighted in the South Taranaki Bight, this year there were 68 different individuals.

Greenpeace and KASM give evidence about the potential impacts on marine mammals at the EPA seabed mining hearing in Wellington. Made with funding from NZ On Air.

Three men saved by a passing vessel when a bar crossing goes horribly wrong.

An independent ship surveyor raised concern about the Francie operating on the Kaipara bar three months before the ill-fated boat sank in the area.

Trans-Tasman Resources gave evidence today at the hearing which will determine whether or not they will get marine consents to mine iron ore off the coast of South Taranaki. Made with funding from NZ On Air.

Trans-Tasman Resources is proposing to mine 50 million tonnes of iron ore per year off the coast of Patea in south Taranaki. Made with funding from NZ On AIr.

DoC staff were tonight monitoring a pod of about 200 pilot whales milling around in the sea off Golden Bay.

Witness: "I said to my wife: 'That mooring line's not set right for this kind of wind'.''

People are being warned to stay off a beach where the carcasses of hundreds of whales are at risk of exploding.

Scientists have ruled out any suggestion this morning's 5.2 quake was linked to the mass whale stranding at Farewell Spit.

Hope for survivors of one of NZ's largest ever whale strandings is "slowly slipping away".

A whale rescue expert is critical Department of Conservation crews didn't act sooner in last night's devastating whale stranding.

The man said he was going to test his boat's engine but did not return.

Police have responded to a boat that has raised an alarm at Hooks Bay this morning.

A search was mounted at Lake Te Anau after several flares were sighted late last night.

The dramatic, kilometres-deep canyons that lie hidden beneath our waves need protection from human pollution and damage, scientists say.

Wildlife experts concerned dolphin wearing a T-shirt may be in trouble.

Heartbreaking footage shows a mother dolphin trying desperately to save her calf from Japanese hunters who planned to sell the animals to aquariums.