Dr Tom Trnski, head of natural science at Auckland Museum thinks that our marine systems could recover if humans back off.

Close encounter with "the most beautiful of sharks" earns place among New Zealand Geographic's Photographer of the Year finalists.

Baby orca J50 leaps out of the waters of Haro Strait between islands in British Columbia and America's Washington state, seemingly with a large stretch of water to itself.

Since becoming New Zealand's first marine reserve in 1975, Goat Island has proven to be worth its weight in gold - and snapper.

A long-standing mystery over why the world’s sea level was dramatically higher 135,000 years ago than it is today is closer to being solved by scientists.

Researchers have linked an ancient marine dolphin fossil, found in Waitaki, with an endangered dolphin that lives in Nepal, India, and Bangladesh.

A company which spent up to $65 million in a failed bid to mine ironsands from the South Taranaki seabed, has applied for a prospecting permit covering a huge swathe of seabed north of Ross.

After years of threatening to inject its unwelcome wet and dry extremes into our climate, the chances of El Niño shaking up weather are now greater than ever, scientists say.

There are fears tuna are teetering on the edge of survival as an excess of boats fight over a decreasing number of fish.

A massive pipi bed in Whangarei harbour is dying and there are fears the change could destabilise the harbour - and Marsden Point itself, Radio NZ reports.

A commercial fisherman who posted a video online of himself killing a shark with a piece of railway iron has been sacked for his actions.

Here are 12 tips, strategies and tactics for you to try out when you feel inclined to engage a Typical Climate Change Denier head on at your next barbecue.

Aucklanders need to prepare for the wide-ranging impacts that climate change will have on their city, a leading scientist says.

Changes to the Southern Ocean's sea ice belt could mean see the global level rising several metres, says a new study which has shed more light on an ice-age mystery.

A sonar early warning system is being developed to stop swarms of jellyfish shutting down Britain’s nuclear power plants.

It was merely fanciful, of course, to imagine that going to meet William Trubridge, the world record holding freediver, would be like going to meet a merman.

The consortium that pumps gas from the Maui offshore platforms appears to have been forgivably naughty.

Police have now officially ended the search for missing 5-year-old Jack Dixon, who was washed out to sea at Mt Maunganui.

Mt Maunganui surf lifesavers say they will keep looking for Jack Dixon "for as long as it takes" despite no sign of the missing boy for a week.

Rogue waves - mountainous swells that form at sea without warning - have been blamed for countless maritime disasters.

According to NASA, "for the first time in modern history, the eastern basin of the South Aral Sea has completely dried."

As $100 million of shiny new craft go on display at Auckland's On the Water Boat Show, the Hauraki Gulf has received a damning report about its health.