Results of MPI testing are in - but offer no answers.

Discovery comes amid concern some boaties are flouting rules to control exotic caulerpa.

Waka ama paddlers and gold clams go head-to-head.

Evidence suggests the wallaby sightings are genuine.

The possibility of a gold clam invasion from the Waikato River has kaitiaki worried.

The lake's been closed over a month as protections were put in place against gold clams.

Meanwhile, Biosecurity NZ has committed more than $2 million to manage the clams.

Labour MPs have been discussing the party's future today.

Express lanes aim to ease congestion at Auckland's many layers of border screening.

"It is our shared responsibility to collaborate in the best interest of all our lakes."

Officials will use suction dredging against the high-risk seaweed in new Aotea trials.

Pest Free Banks Peninsula wants to eradicate all animal pests by 2050.

"I had nothing to hide," she said, holding the gift in her hands.

The actress allegedly lied to a court.

Clever traps that can pick pests from native species set to join NZ's war on predators.

Mana whenua and the Government move to fight invasive seaweed.

News snippets from across Northland and the surrounding regions.

Former Wellington Mayor Celia Wade-Brown restores Wairarapa land to its natural state.

There are fears not enough's being done to prevent invasive seaweed arriving in Northland.

What's behind the marine alien invasion on the underside of cruise ships?

Cruise ship Viking Orion was restricted to visiting approved ports.

Resources may be stretched even thinner with the return of tourists from China.

Biosecurity Minister says disease had been considered the "doomsday disease".

Margi Keys looks at how a garden plant can wreak havoc in the bush.

A 20kg bag of pickled turnips sent from China has landed a company in court.

"It is critical to ensure wallabies do not establish themselves in our region."