The orca put on a dazzling display in Akaroa Harbour today. Video/Onuku Farm Hostel Dolphin Swimming

COMMENT: Degradable composites and recycling could lessen pollution.

The oceans cover 70 per cent of the surface of our planet yet they are the least explored.

Scientists have now captured the Worldwide Hum deep in the ocean for the first time.

Continent of Zealandia was always there. Why did it take a century to prove it?

Protection for the pristine Ross Sea is a dream realised for Kiwi film-maker Peter Young.

A pupil's question spurred teacher Libby Bowles to action over the plastics in our oceans.

Relatives angry news of blast revealed a week after sub disappeared.

A heartbreaking scene in Blue Planet is prompting viewers to ditch plastic bags.

Seal pups frolic in nursery pool ahead of the 1st anniversary of the Kaikoura earthquake. Credit: NCTIR

Ocean drones will probe the wild Cook Strait in new study dubbed "Project Cookie Monster".

Grim new figures show Paris climate goals will be hard to meet fast, NZ scientists say.

Researchers from Cornell University and Oregan State University fear that seismic airguns in oil and gas drilling areas are negatively impacting whales, with repetitive sounds travelling thousands of kilometres and repeating for months on end. / Audio from Cornell University.

New recordings lay bare the underwater racket created by oil and gas industry's airguns.

Mass coral bleaching may not be a death sentence for all of the reef systems it touches.

An incredible 150-million-year-old 'sea monster' has been unearthed in India.

It's been called a slow-moving crisis. How will NZ deal with rising seas that threaten it?

Researchers building a business case for a bond used to fund permanent native forestry.

Scientists liken bizarre whale discovery to uncovering 'a fossil kangaroo in Scotland'.

Climate change is already transforming our oceans - but there's much more we need to know.

What do political parties propose to do about combating climate change?

NZ ketch rescues family on board stricken catamaran on remote reef in South Pacific Ocean.

Fresh bid to reduce plastic in the ocean. Made with funding from NZ On Air.

Ocean and river cruising is one of the fastest growing travel sectors for Kiwis.

Damaging, extreme El Nino events will likely become twice as common under climate change.

The search for MH370 has produced incredibly detailed maps of vast expanses of deep ocean.

Kiwi scientists have helped build the most comprehensive global climate database yet.

The schooner Tara is on a global expedition to better understand the state of our oceans.

Sir Peter Blake's former schooner is making a well-timed visit to Auckland this weekend.

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