Just how did the ancient Egyptians shift stones weighing as much as 2.5-tonnes with technology no more complex than a sledge?

A study into muscle movements in teen gamers may shed light on links between violent video games and real life aggression.

Dr Jim Sprott, crusading forensic scientist and controversial cot-death and road safety campaigner, has died in Auckland, aged 89.

One of the scientists designing the testing regime for synthetic drugs says trialling novel drugs on humans without testing them on animals first is likely to be considered unethical in NZ.

Tom Pringle has accidentally set his head alight, had a potato cannon explode in his hands and dyed his tongue blue with a mouthful of nasty chemicals.

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.

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.

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.

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.

Auckland is a long way from high earthquake activity and can expect a major shake every 10,000 to 20,000 years, says a new study.

Two University of Otago physics students have pushed the frontiers of quantum technology by helping develop laser-operated "optical tweezers" that precisely split clouds of ultracold atoms and smash them together.

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