New Zealand has more than 900 native species approaching extinction and another 2800 declining or at risk.
The Southern Lights have never been pictured like this – in a flight through the sublime swirl.
Scientists find a way to reverse the ageing process, raising the prospect of an anti-ageing treatment within a decade.
The South Island was shunted over 5m closer to the North in a rupture so complex it may forever change quake science.
OPINION: NZ faces unique challenges, but that is no excuse for ignoring the problem.
Blue triangle butterfly was probably blown over from Australia by a storm.
Space flight ain't always silky smooth.
New Zealand scientists rely on the US for climate data, so if Trump slashes the budget, we suffer too.
US President signs off on Nasa's plans for human exploration of the red planet.
Stargazers' first NZ aurora flight "equivalent of going to Iceland".
All systems being checked at Wanaka Airport for NASA's third super pressure balloon launch.
Astronomer Maurizio Pajola had been up for hours. His eyes were beginning to glaze over when he saw something bright on the comet's dim surface.
3D model of the land beneath us may explain why some areas in NZ suffer far more damage than others after quakes.
Funnel-web spiders in Australia may hold the key to saving stroke patients' lives.
Kea often thought to be equal parts lovable and obnoxious, but recent research shows their inner workings are more complex than previously thought.
A new definition would add 102 planets to our solar system - including Pluto.
"I thought no one would take me," the 75-year-old physicist said after Richard Branson's offer.
University of Otago is making breakthroughs with new mathematical models that zoom in on the beginning of time.
In recent months, scientists have picked up on some extraordinary ancient history.
A bit of sun can be good for your bones. Roger Hanson explains.
The EchoStar XXIII satellite will lift off from the Kennedy Space Centre in Florida.
A natural phenomenon nicknamed "sea sparkle" is lighting up the waters off Australia.
Three US women have been blinded after they had stem cells from abdominal fat injected into their eyes in a clinical experiment.
The assault from rock concerts and vacuum cleaners does not show up in standard hearing tests, findings show.
Researchers one step closer to finding out whether banned party drug can help manage ear-ringing.
Apparently the appetite of our eight-legged friends is a good thing and not at all terrifying. Unless they stop.
Ripple effect for evolution as find suggests plants grew on Earth 400 million years earlier than previously thought.
Over 20 faults ruptured during November's huge quake - possibly a world record.
Decades ago, NZ pioneered a lifesaving treatment for premature babies. But worldwide, debate over its usage endures.
NZ could have been predator-free 10 years ago, says former MP, slamming government's 23 years of "inaction".