The damaged hearts of laboratory monkeys have been repaired successfully for the first time with human stem cells.

No one had known just what kind of weapon lay hidden off the coast of the South Island. Behind the unlikely facade of a harmless sea sponge lurked a fearsome cocktail of chemicals that had evolved over billions of years.

A scientist is stepping back in time to solve the mystery behind a dramatic drop in the world's most threatened species of sea lion.

Scientists have modelled the effects of the strike of a giant asteroid, writes Akshat Rathi. The effects were so catastrophic that, along with the large earthquakes and tsunamis it created, this asteroid may have also set continents into motion.

It was a bizarre phenomenon that troubled researchers for decades – a mysterious under sea 'quacking' heard every winter and spring in the depths of the Southern Ocean.

Graphene's reputation as a miracle material is well established but scientists have added another attribute to the carbon-derivative's Top Trumps card: you can make it using a kitchen blender.

As members of an elite band of cosmic explorers, they are among the few to have gone beyond the final frontier and looked down on the Earth from space.

Amillion-dollar microscope has allowed Kiwi scientists an unparalleled window into the human body, shining a new light on everything from Parkinson's to irregular heartbeats.

Uranus - the planet with the unfortunate-sounding name - has long been the butt of jokes.

Children and young men are suffering more head injuries than anyone else, many caused by falls, knocks in rugby and car accidents, according to research.

Unless New Zealand takes urgent steps to slow the expansion of dairying, many more rivers and lakes will be degraded, writes David Skegg.

A genetic test that can predict menopause - allowing women to better plan when to start a family - could be available within five years.

Throughout history, a select band of the brave has willingly turned into human guinea pigs in the cause of science.

A New Zealand-based biotech firm with links to Barack Obama's re-election campaign manager is moving to North America.

If you want to go on eating regularly in a rapidly warming world, live in a place that's high in latitude or high in altitude.

Scientists have used an underwater camera to count large snapper in Hauraki Gulf marine reserves.

Children are being moulded into desired citizens at preschool through government-funded literature focusing on emotions, says an award-winning thesis.

Above us, our nearest, potentially habitable planet is being explored by three spacecraft in its orbit and two on its surface.

In the parks, beaches, back gardens and forests of the country, non-scientists can help with with a raft of research projects.

For the past 15 years, a Kiwi marine explorer has been tracking great white sharks around the world, helping answer one of the biggest questions concerning great whites — their home range.

Scientists are to check whether NZ muttonbirds that spend the winter off the coast of Japan have been exposed to radiation from the damaged Fukushima nuclear power plant.

An important breakthrough, unveiled today, will help scientists get to grips with what shapes the different parts of our bodies.

Are we doing enough? As another report lays out the benefits of a green economy science reporter Jamie Morton looks at what we're doing to achieve it.

Humans have a far greater sense of smell than previously thought, but daily showers and fridges, which mask bad odours, have reduced our ability to detect scents, scientists believe.

A pill could "reset" the body clock, curing jet lag and easing the strain of working nights, scientists have discovered.