Members of the public contacted Biosecurity New Zealand about the seaweed, team leader of aquatic health Rissa Williams confirmed.
7:08am
Scientists at Auckland University have carried out the country’s first large scale trial of using wastewater to monitor alcohol consumption.
5:00am
Opioids such as codeine, tramadol, fentanyl and morphine are normally dispensed after surgery to treat acute pain – but they can be highly addictive.
Monday 8:22am
New research suggests New Zealand has an ancient, rocky core more than 3 billion years old.
Sun, Mar 17
An international collaboration centered around laser light technology could advance internet speeds and contribute to more precise self-driving cars in the future.
Any pieces of space rock from the fireball are calculated to have landed in the MacKenzie Basin to the south of Lake Tekapo.
Fri, Mar 15
Research has found a simple ingredient, found in most home cupboards, could be the key to losing weight for many.
Two test flights last year both ended in explosions minutes after liftoff.
Toronto-based company DNA My Dog identified a woman as 40% Alaskan malamute, 35% shar-pei and 25% labrador.
Thu, Mar 14
A white shark has been tracked travelling over 3200km south into the Gulf of Mexico, providing scientists valuable information on patterns and behaviours.
Tue, Mar 12
As part of the Great NZ Meteorite Hunt, Kiwis are being asked to take photos of any "really interesting rocks" they think could have fallen from space.
Mon, Mar 11
Researchers from NIWA, Te Papa and experts from the UK and Australia collected almost 1800 samples from 4800m underwater along the 800km-long Bounty Trough.
Bidding is open on a letter signed by "Opie" that describes the nuclear bomb as a "weapon for aggressors".
Sun, Mar 10
When a total solar eclipse transforms day into night, will tortoises start acting romantic? Will giraffes gallop? Will apes sing odd notes?
Researchers will be standing by to observe how animals’ routines are disrupted when skies dim on April 8.
Fri, Mar 8
Researchers collected cells from amniotic fluid to create tiny simplified structures that can be used to test new medical treatments or study how the real organs they mimic work.
Tue, Mar 5
Researchers believe an asthma and hives treatment may be a game-changer in reducing life-threatening reactions to foods.
Fri, Mar 1
The mission, part of NASA's effort to boost the lunar economy, was supposed to last until at least Friday when lunar nighttime sets in. NASA has six experiments on board.
Wed, Feb 28
The spacecraft came in too fast, and the foot of one of its six legs caught on the surface, causing it to tumble over.
Tue, Feb 27
The latest tally puts Neptune at 16 known moons and Uranus at 28.
Sat, Feb 24
With Friday's touchdown, Intuitive Machines became the first private business to pull off a moon landing, a feat previously achieved by only five countries.
In the tranquil expanses of North America’s woodlands and grasslands, a silent but concerning phenomenon is unfolding.
Thu, Feb 22
The quasar shines 500 trillion times brighter than our sun, and it may be the brightest object in the universe. It's also "the most violent place that we know".
Tue, Feb 20
New research shows falling down a rabbit hole isn’t a typical experience.
The Aylesbury chicken egg still had liquid inside about 1700 years after it was laid.
Tue, Feb 13