The Kerkhof family were out fishing when they came across a pod of about 20 bottlenoses.

International scientific research ship JOIDES Resolution tackles Zealandia missions.

What will happen to NZ's oceans in the future? A cutting-edge model will soon tell us.

Takapuna Beach is closed after sewage flowed into the swimming area between the flags. Credit: Dean Purcell

Understanding prehistoric global warming events could tell us much about Earth's future.

It is awful. People just don't care, it's everywhere, it's everywhere.

Auckland councillor Mike Lee talks with Larry Williams about his fears that an environmental disaster could happen if RMS Niagara collapses and releases oil into the sea.

Scientists have gathered a sediment sample from deep below the Pacific Ocean's surface.

Scientists exploring the Kermadec Trench believe they have retrieved the deepest ever sediment sample from the bottom of the ocean using a wire-deployed corer. The sample was obtained a week ago at 9994m deep in a mission that took six hours to complete. / Supplied by NIWA

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.

Philip van der Mespel, who was picked up by commercial vessel the Norfolk Guardian, describes to the Herald the emergency that led to the sinking of his yacht, and his subsequent stranding at sea.

Pollution-poisoned crustaceans found in Mariana Trench, the deepest place on earth.

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.

Divers around the world offer insights into how climate change might affect our oceans.

A sweeping Government stocktake out today warns of shifting temperatures and rising seas.

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?