The space agency highlights five different lines of evidence pointing to the existence.

Nano-machines injected into humans to heal quicker could become reality within 20 years.

Drug addiction isn't about bad habits, fear of withdrawal... It's about the brain.

Delve into the depths of the Big Pacific without taking a foot off land.

The placenta isn't a superfood. Eating it is risky, 'borderline cannablism' expert says.

Turbulence during flights tipped to get worse thanks to global warming.

Beneath New Zealand's surface is a trove of historical relics from millions of years ago.

Vibration therapy could help young people with cerebral palsy, Auckland researchers say.

A new tool allows Aucklanders to work out how much rooftop solar panels could save them.

A NZ study will investigate how pathogens like deadly Ebola jump from animals to humans.

A Kiwi scientist has helped re-write the history of Australia's ancient giant birds.

One sneaky heron fan has made more than 100 bogus votes in the Bird of the Year contest.

Rutherford Medal-winner among 21 researchers honoured at awards event.

Smart tech enabling cars to talk to other vehicles could slash road deaths and injuries.

Why does the tui's song sound so much better in the morning? The answer will surprise you.

Scientists liken bizarre whale discovery to uncovering 'a fossil kangaroo in Scotland'.

Scientists say "game-changing" evidence shows the risk of fishing bycatch to NZ sea lions.

It turns out we can live quite easily without several major organs.

Climate change is already transforming our oceans - but there's much more we need to know.

Artificial Intelligence: the challenge that could have major implications for everyone.

An NZ study aims to crack an enduring mystery surrounding cancer - what makes it spread.

NASA astrophysicist who hunts in the Goldilocks zone is to present a talk in Whangarei

It's become harder to imagine our solar system without a missing, mysterious Planet Nine.

Forest study suggests global warming could lead soils to add to carbon in the air.

COMMENT: How your tears could power your smartphone.

Conservation groups hail Niue's move to "lock up" half its EEZ as a vast ocean reserve.

NZ is unlikely to see anything as hellish as 50C days warned for Melbourne and Sydney.

Does mixing more help address prejudice? That depends on societal equality, study finds.

Some NZ deaths may have been prevented - but these were few of 1917's WW1 butcher's bill.

NZ's methane accounting is "accurate" despite study suggesting a global under-estimate.