A scientist researching the mysterious circles says they are "puzzles" containing secret messages - and he's solved them.

Brilliant moment as BBC expert's live interview is gatecrashed by his curious children.

Scientists have created a brain-based music machine that can exploit your emotions to the point that you'll cry.

Knock on the head the perception that brilliance belongs to boys.

Kiwi conservation secrets are being lent to Australia to help protect one of the world's rarest birds from extinction. The Norfolk

Scientists have put a recent spate of Central North Island quakes down to long-term tectonic "stretching" rather than worrying volcanic activity.

Scientists analyse a Neanderthal's microbiome for the first time and find differences in what they ate.

A scientist reveals tips on how to reboot civilization after the apocalypse.

From beer brewing to computer software, here are 10 inventions created by women.

US politician and neurosurgeon Ben Carson reckons one zap can help your brain with total recall.

A 29 per cent chance of a big "surface rupturing" quake within next 50 years.

A smart condom which monitors your performance in the bedroom is being developed in the UK.

The Auckland Volcanic Field will "almost certainly" erupt again, and a swarm of earthquakes will be the first signal of a catastrophe, say scientists.

What do you see outside your window? If you answered birds, trees or wildlife then congratulations are in order.

Herald science writer Jamie Morton presents weird science facts.

A 'masterpiece' in bioengineering could make sperm and egg obsolete.

Laboratory set up in honour of daughter has helped other babies survive.

Scientists believe the find shows that alien life on Mars is likely.

Mike King's appearance at the piggery near Levin helped in the campaign to ban on sow crates.

This ability evolved before whales evolved huge bodies or a filter feeding system.

An expert has weighed in on reports of a bright light shooting across the skies over New Zealand last night.

Nasa astronomers have spotted seven Earth-size planets. Should we be excited?

Some people posted on social media about seeing the sky light up, while others described the light as being green in colour.

Scientists have just discovered the oldest documented case of live birth: that by a "terrible-headed lizard" that lived 250 million years ago.

Bumblebees can teach one another how to score "goals" with a tiny ball, displaying a learning ability never before seen in insects, a study has shown.

COMMENT: Ability to respond to human emotions secures avatar a job in customer service.

An ancient fossil of a giant penguin - discovered near Kawhia in 2006 and estimated to be 28 million years old - has become an official

Penguins are much older than previously thought and their evolution probably dates back to the days of the dinosaurs.

Tristram Clayton interviews Grant Christie, Astronomer at Auckland Observatory, about the discovery of a new solar system just 39 light years from Earth.

Take the test to see how lifestyle changes can affect your "heart age".