Lakefloor survey reveals thousands of pockmarks, an ancient river and hydrothermal system.

Researchers are building an unprecedented picture of Auckland's underground wonders.

Modeller cautiously optimistic wave won't worsen as hundreds of hospitalisations reported.

Samples were important because not a lot was known about false killer whales, DOC says.

Pasifika being admitted to hospital at rates 50 per cent higher than among Europeans.

Scientists have reconstructed nearly two centuries of sea level rise in Wellington region.

Swimmers are urged to be on the lookout for potentially toxic algal blooms this summer.

On a day tipped to bring scorching temperatures, our seas are also running unusually warm.

A tool that can detect damaging seafood toxins is expected to change aquaculture.

Dr Ginni Mansberg explains how you can stave off cognitive decline.

The last three years have been New Zealand's warmest in recorded history, Niwa says.

Summer festivalgoers and organisers alike are being urged to be vigilant about Covid-19.

Temperatures could reach mid-30s in parts of NZ later this week, with humidity in the mix.

A blob of warm ocean water is adding a decidedly different flavour to our El Nino summer.

Dr Megan Balks is the latest recipient of the New Zealand Antarctic Medal.

He was the star of the memorable cake scene in Matilda. Now he's unrecognisable.

A highly-invasive species is threatening our ecosystems. Here's how you can help stop it.

'There is a lot of unknown in the ocean,' shark expert Dr Riley Elliott says.

Fifty experts and leaders have urged Govt against reforms of national freshwater rules.

The biggest dinosaur to ever exist is the star attraction at this new exhibition.

Microplastic pollution at Auckland beaches 50 times worse than elsewhere on NZ's coasts.

Nearly $3.9 million has been awarded since the annual scholarships in 1993.