Researchers use twins to study effects of long-term stay in space.
Nasa's super pressure balloon is up, up and away after its launch from Wanaka Airport.
Astronomers witness supermassive black holes eating star-forming gas of their host galaxies.
Auckland skin care company makes big claims for an anti-ageing product.
Japan is racing to put a robot on the moon.
Advances in genetic testing have given people information about disease risk - but science offers far fewer ways to act on it.
Cern scientists may soon prove the existence of parallel universes and show that the Big Bang did not happen.
Cute and cuddly kakapo and kiwi may be easy to fundraise for, but extremely expensive to save.
A West Coast community will need to consider drastic changes to prepare for an earthquake.
A Nasa balloon launch attempt has been cancelled due to wind, disappointing a small crowd gathered at Wanaka Airport.
The Wairau Lagoons bared a striking resemblance to the Transformers movie during the first survey of its kind in the region.
Long thought to be "benign", the Tasman Sea appears to have faced catastrophic tsunami events.
Furniture maker Michael Ibsen is used to clients asking for custom-made pieces, but not a coffin for a king.
Selected spots in Europe have experienced a total solar eclipse, one of three celestial events taking place.
Kiwi researchers have found a potential cure to deadly familial stomach and lobular breast cancers.
The NASA super pressure balloon remains grounded at Wanaka Airport.
Bowie asked back in 1971 'Is there life on Mars?' We still don't really know.
The colourful light show seen above parts of New Zealand was one of the best aurora displays in years, an expert says.
Severe geomagnetic storms like this cause havoc on earth, but this one's just put on a beautiful show.
Space agency's balloon faces another day of waiting at Wanaka Airport.
Niwa biologists have discovered 141 new marine creatures in the past three years.
How do cyclones form and who comes up with the names?
These birds use NZ as a summer layover on an incredible long-distance migration.
New satellites to map explosions triggered by criss-crossing magnetic fields around Earth.
Ocean discovery means possible lifeforms on Jupiter's icy Ganymede moon.
VIDEO: Six weeks of research in the icy Southern Ocean is distilled in to 100 seconds in this time-lapse video.
Jupiter's largest moon discovered to have an ocean with more water than Earth.
It was big. It was weird. And this monster from the primordial seas was also a trend-setter.
Toxicologist explores how 1080 is and the risk of a child dying from contaminated formula.
Scientists have successfully implanted false memories in a radical experiment.