New ZealandThe Abyss: underwater wonders need protectionThe dramatic, kilometres-deep canyons that lie hidden beneath our waves need protection from human pollution and damage, scientists say.02 Feb 12:02 AM
New ZealandShark washes up on Wellington beachThe "safe version" of a Great White shark has washed up on Wellington's shore, leaving experts puzzled about what may have happened to it.01 Feb 04:04 AM
New ZealandBig wet, bone-dry: A tale of two summersWhile the eastern region swelters in one of the most rain-deprived Januaries in more than a century, some western areas have been drenched.31 Jan 02:05 AM
New ZealandIs summer late? We crunch the numbersIs summer really getting later? We look at long-term Niwa figures.28 Jan 10:27 PM
New ZealandSwimming in a river? Be 'vigilant'Kiwis "must be vigilant" about swimming in our rivers, a freshwater scientist says, with data often showing high levels of E. coli in waterways.28 Jan 08:31 PM
New ZealandNorthland: A post-apocalyptic visionClimate change scientists have projected continued global greenhouse gas emissions would heat Northland heat up more than other regions 19 Jan 07:40 PM
AgribusinessNorthland farmers face big dryNorthland farmers are facing drier than normal conditions.13 Jan 07:01 AM
New ZealandSummer Science: The battle for our islandsScience reporter Jamie Morton talks to Auckland Uni conservation ecologist Dr James Russell about the challenge to sweep islands clear of pest predators.10 Jan 04:00 PM
New ZealandWest Coast rains supreme as wettest spot in NZThe West Coast has held on to its dubious record as the wettest place in New Zealand, albeit in the Southern Alps.09 Jan 01:41 AM
New ZealandHot, hot, hot: 2016 NZ's hottest yearLast year was New Zealand's hottest on record since 1909. Where did we really feel the heat?08 Jan 11:05 PM
New ZealandOur holiday weather explainedDr Brett Mullan of the National Institute of Water and Atmosphere (NIWA) explains our holiday season weather and warming world.08 Jan 04:00 PM
New Zealand2016 hottest year on recordLast year was the hottest ever record, according to a European climate agency and a US-based climate centre.06 Jan 01:09 AM
New ZealandHalf-shell heroes saving lost turtlesThis week, the Herald takes a look at Kiwis who are dedicated to helping our animals. Today Jamie Morton looks at Kelly Tarlton's Turtle Rehabilitation programme.04 Jan 04:30 PM
New ZealandThursday the pick in changeable weekBay of Islands the place to be for summer sun today01 Jan 04:00 PM
New ZealandScientists study struggling riversCreating "designer" ecosystems for degraded waterways could boost river restoration efforts around the country.01 Jan 03:07 AM
New ZealandWarm, wet, wild: 2016's extreme weatherThere was a record downpour in Auckland, a tornado in Taranaki and "quake lights" above Wellington. Oh, and 2016 was likely also New Zealand's hottest year on record.20 Dec 01:59 AM
New ZealandOrca and dolphins visit WellingtonA stunning summer's day in Wellington has attracted some aquatic visitors to the coastline, with locals spotting orcas and dolphins.15 Dec 10:54 PM
New ZealandWatch: Where have Kaikoura's crayfish gone?NIWA marine ecology technician Mark Fenwick has observed the dramatic changes to Kaikoura's crayfish habitats.15 Dec 10:28 PM
New ZealandDeep sea life needs 'better protection' from miningA researcher who has uncovered new insights into New Zealand's ocean environment says seafloor communities need better protection against any future deep-sea mining.14 Dec 05:11 AM
New Zealand2016 set to be NZ's warmest on recordThis year is set to become New Zealand's hottest on record, breaking the previous record set in 1998, scientists say.12 Dec 11:41 PM
New ZealandExpedition probes post-quake tsunami riskA major expedition to the submarine Kaikoura Canyon is assessing whether the November 14 quake elevated tsunami risks to coastal settlements.09 Dec 02:28 AM
New ZealandStingray attack likened to shark biteA Hastings man who decided to set a crab net at Te Awanga beach got more than he bargained for.28 Nov 08:11 PM
New ZealandNew insights: How quake shook seabedScientists have revealed astonishing new insights into how the 7.8-magnitude quake affected New Zealand's seabed.22 Nov 01:15 AM
New ZealandWellington pummelled by aftershocksThe Prime Minister's bodyguards directed traffic around a high rise close to collapse, slips caused traffic chaos and homes were evacuated in capital.15 Nov 04:00 PM
New ZealandSupermoon link to quake? 'Poppycock'Predicting large earthquakes is not as simple as looking to the moon or watching the pet cat. A post online predicting an earthquake 14 Nov 06:00 PM
New ZealandFirst the quakes, now the stormHeavy rain and wind is forecast to batter the upper South Island and lower North Island this afternoon.13 Nov 05:11 PM
New ZealandDrought unlikely this summerSummer likely to be wetter than average according to long-term Niwa forecast.10 Nov 07:00 PM
New ZealandWarm weather ahead - but not without wetHotter than average temperatures can be expected across the entire country over the next three months - but the warm won't come without rain.02 Nov 04:49 AM
New ZealandHow did Sophie the shark elude scientists?Scientists who sought to solve mysteries about hammerhead sharks were only left with another when one of the first adults ever tagged ended up eluding them.02 Nov 12:49 AM
New ZealandIncredible footage captured above NZA weather balloon with cameras attached has captured a stunning view of Central Otago from the sky.26 Oct 04:40 PM
New ZealandSummer tipped to be humid, wetA wetter summer season is on the cards for the upper North Island - but that doesn't mean people should go cancelling their Coromandel holiday plans.18 Oct 01:16 AM
New ZealandPhotos: Flying fish 'a jewel' from the seaNiwa scientists work in some of the world's most extraordinary landscapes. These stunning environments are celebrated in an annual photography competition.11 Oct 04:00 PM
New Zealand$3.7m study to reveal deep-sea mining impactsThe potential environmental impacts of controversial off-shore mining will be investigated in a new multi-million dollar study.11 Oct 12:42 AM
OpinionJim Roberts: Myths no help to sea lionsCOMMENT: Misinformation is counterproductive in battling dramatic decline of species in Auckland Islands.11 Sep 05:00 PM