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.

Picture postcard fjords like those in the South Island have been found to likely play a significant part in regulation of the planet's climate, according to a newly published study by Kiwi and international researchers.

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

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.

Sea levels will rise 30cm around New Zealand by 2050 and threaten coastal properties and infrastructure in low-lying areas, a new report warns.

The Sun Princess arrived in Sydney this morning after returning to sea in an attempt to find a man lost overboard.

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.

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.

New research has confirmed waters off Auckland are crucial breeding grounds for a keystone shark species.