Niwa is about to attempt one of the most challenging underwater experiments ever.

Scientists have analysed hundreds of harmful microplastics found on Wellington's shores.

Even in the cold and dark of an Antarctic winter, melting can still happen. Here's how.

A Mt Taranaki eruption could see fast-moving, hot ash flows spreading kilometres around.

She was Number 16 - the world's oldest known spider. Here is her extraordinary tale.

There's a huge hole in our defence strategy and "we will be hit".

Aurora Australis Facebook group now has almost 20,000 members around the world.

COMMENT: Many species could possibly pick up earthquake warnings that humans can't.

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

Marine heatwaves are growing longer, stronger and more frequent thanks to climate change.

Two species of NZ grasshopper mating may just seem weird. But the bigger story is tragic.

Locals are demanding to know how scores of shellfish died in an Auckland marine reserve.

If we can't find other life in the universe, machines may be able to do it for us.

Seismologists closely watching a "swarm" of quakes recorded around high-risk Alpine Fault.

Three years after his wedding at placid Lake Tutira, Jamie Morton asks if it can be saved.

After our La Nina-fired summer, there's a chance spring could bring a meddling El Nino.

A Kiwi scientist's odd sperm-racing campaign could help save NZ's threatened hihi.

Dr Fiona Cross went from terrified arachnophobe to committed arachnologist.

Scientist never shied away from challenging theories.

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

Scientists tracking young yellow-eyed penguins awed at one intrepid bird's 470km hike.

Scientists aim to better understand the habitat and movements of the little flying mammal.

The University of Auckland will look at how land is moving on 10 slopes around the city.

World first horsetail weed control with weevils. Made with funding from NZ On Air.

Could NZ have a tsunami early warning system? A visiting Japanese scientist thinks so.

Life on Mars is feasible after discovering bacteria living in the driest place on Earth.

Quake activity has returned to the Ring of Fire as scientists fear a "big one" is coming.

Unexplained decline in lower stratosphere worries scientists.

US scientists have revealed the nuclear DNA make-up of NZ's long-lost little bush moa.

60,000+ structures hidden for centuries underneath Guatemala jungle have been discovered.