Drinking water safe from another Tasman Tempest, says Watercare boss

Sir David Attenborough wants NZ and Oz to document all species before it's too late.

Showers due in north and south today, but mainly fine in central New Zealand.

Scientists have made unexpected discoveries about Antarctica's best-known residents.

New guidelines to help remove barriers to fish migrating through our rivers and streams.

Ten of the worst: the misery inflicted in New Zealand by rain, wind and snow

Warnings of a chilly night quickly changed to reports of 100km/h winds in Auckland.

On the rare occasion they hit New Zealand towns, tornadoes are dramatic events.

Kiwis may not know they just lived through an event freakish even under climate change.

Swells of up to 4m are expected south of Haast.

850 tonnes of mud and sand flushed away seafloor life in Kaikoura Canyon.

Bottle thrown into the sea in 2010 travelled 19,133km across the world.

Experts say there are three reasons why NZ may be hit again. Jamie Morton explains.

At the moment the rain is easing, but another heavy downpour could mean trouble.

Scientists expect to find some "pretty pathetic" examples in post-summer snowline survey.

Scientists set to install listening posts deep in the high-risk Hikurangi Subduction Zone.

Undiscovered volcanic features could lie hidden not far from the Bay of Plenty's coast.

Swamp kauri - a lucrative commodity - is also critical for understanding past climates.

"Hurricane force winds" possible when Gita hits New Zealand.

We can't rule out further tropical cyclones in the third month of the year.

What are tropical cyclones and how do we forecast them? Jamie Morton explains.

Rain lashing Auckland prompts dozens of callouts for flooding and felled trees.

January was the hottest month NZ has experienced since 1867, Dr Jim Salinger says.

Damien O'Connor has extended drought classification to Otago and Southland.

Heatwave set to continue for another two days but weather could turn nasty from Thursday.

If you thought it's been humid already, be warned - it may be about to get stickier.

The last time summer was running this hot, Nazis ran Germany. What's been the difference?

You think it's been hot so far this summer? Wait till tomorrow.

Outdoor activities that were safe to do in cooler conditions could now become hazardous.

People with multiple sclerosis are particularly vulnerable to extreme heat.