Volcano's crater lake registers coldest temperature in seven decades of monitoring.

Forecasters pick spring weather to be even messier than usual. Jamie Morton explains why.

Erupted ash from Whakaari has forced flight cancellations. What can we expect next?

People across the upper North Island are being told to brace for severe weather.

What puts the fire in the belly of a local volcanic zone that's produced monster blows.

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

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.

New analysis points to rare but extreme potential for huge tsunamis hitting NZ's coasts.

A new data-crunching approach has turned up recent missed 'mini-eruptions' at Ruapehu.

Ash buried deep in Antarctic ice highlights the eruptive power of our famous supervolcano.

Thursday's rare 'blue supermoon' isn't due in NZ's night skies again for a decade.

New 3D images reveal how NZ's largest fault - the Hikurangi Subduction Zone - moves.

NZ's north-east is in for yet another soaking later this week after heavy rain hits today.

High hovering over NZ expected to bring some of year's coldest temperatures this week.

Today's big Hawke’s Bay jolts struck in an area well-known for seismic activity.

Virologist says flu is already on the rise in NZ, as long-absent strains return.

AI-powered model shows recent bouts of unrest at Whakaari had similar trigger mechanisms.

Scientists keeping the official alert level of NZ's famous supervolcano slightly raised.

After three years of meddling with our weather, La Niña's finally shuffling off the stage.

New satellite imagery shows landscapes and coastlines transformed by the historic storm.

Gabrielle appears to have been a stronger cyclone system than even 1988’s disastrous Bola.

La Niña isn't done with NZ's drenched north, with another soaking possible in early March.

Activity at NZ's best-known supervolcano hasn't quietened enough to lower its alert level.

It's possible unrest at Taupō supervolcano could rumble on through summer, scientists say.

NZ remains one of only nine countries with negative excess mortality since pandemic began.

One in seven recent NZ deaths were from Covid-19. So why are we growing indifferent to it?

Scientists observe spate of Taupō quakes but the supervolcano isn't any closer to blowing.

Decades of data reveals bed of NZ's largest lake has been constantly rising and falling.

Scientists have learned surprising new insights about what are NZ's biggest rain-makers.

Te Whanau o Waipareira Trust is seeing more families reporting Covid-19 reinfections.

Could hidden seismic signals be the key to predicting New Zealand's next big eruption?

Scorching seas have warmed up the surf at our beaches. Have they also lured more sharks?

New study could bring us closer to forecasting steam-driven blows like Whakaari tragedy.

Experts warn Auckland can't move to level 2 given current cases and virus spread.

Scientists are exploring NZ's risk from offshore volcanoes and tsunami-making landslides.

NZ needs sky-high vaccination rates to shield itself from Delta. But what's realistic?

Is your part of NZ more vulnerable to Covid? Experts share images that tell the story.

NZ's smartest Covid-19 model - run on a supercomputer - predicts spread at suburb-level.

Ten Covid cases confirmed - AUT student was in lecture with 84 other students.

Scientists think they've located the magma chamber within the supervolcano.

No one can feel it, but a large - and very slow - quake is unfolding off NZ's East Coast.

Kiwi stargazers were treated to a lunar spectacular overnight.

Cloud might block the view for some, but other parts of New Zealand are in for a treat.

Staying up to snap Wednesday's 'blood supermoon'? Don't bother with your phone camera.

Govt spending $28m at effort to stop as-yet incurable disease killing NZ's iconic kauri.

A chemical found in the kōwhai may offer a cheaper medicine to help people quit smoking.

Scientist says 8.1 'thrust' event can spark tsunami due to rare size and shallow depth.

Virologist says it's worrying that no genomic matches in MIQ have been found to new cases.

More travellers come forward about MIQ mixing, but Govt insists protocols are strict.

Traveller alarmed at new arrivals and people soon to leave mixing in MIQ hotel car park.

Two more of the community case's close contacts are waiting for test results.

Amid a pandemic NZ saw its seventh hottest year in 2020, carrying on a dire warming trend.

Some spots could hit 30C this week, with warm, sunny weather in store for most regions.

NZ has its first Covid-19 vaccine purchase deal. Jamie Morton explains what that means.

Seafloor survey around White Island reveals a mass of ash discharged in deadly eruption.

NZ-designed system could've given 16 hours' warning of deadly eruption, scientists say.

These smaller, more frequent eruptions have been overlooked in the past.

Volcanic eruption caused a collapse into the sea, triggering a devastating tsunami.

Early morning quake's side-to-side motion stopped it from causing a tsunami, expert says.

Six months after White Island's deadly blow, fresh magma has been found near its surface.

After a weekend of relative freedom, are we ready for more?

Company spearheading NZ effort says successful vaccine could be manufactured domestically.

Why scientists think 'worst-case scenario' is longer relevant if we continue containment.

After a two-week lag, NZ will start seeing whether its unprecedented lockdown has worked.

Four of the 10 recorded 'super-eruptions' in past 2.8 million years have happened in NZ.