Pluto fans are attempting to reignite one of astronomy's most contentious debates: What is a planet?

NZ's economic growth is "approaching its environmental limits", a once-a-decade environmental report card says.

Volcano under one of the world's busiest flight paths has erupted almost 40 times this year.

Slashing pastoral stock numbers by up to 35 per cent has been suggested among ways to push New Zealand's greenhouse gas emissions down to zero by 2100.

Giving vitamin D to pregnant mice prevents their offspring developing autism traits, study finds.

Auckland's Stardome Observatory is celebrating 50 years of star-gazing.

A selection of the best of the Wellcome Awards that celebrate the art of science illustration

Our planet's spiders wolf down between 400 and 800 million tonnes of food each year.

A chimpanzee has been filmed using tools to apparently clean the corpse of another chimp.

A new smartphone app allows users to check Auckland's air quality at any given time.

Unnecessary prescriptions could lead to serious long-term consequences.

Our alpine parrot may be much smarter than we think, scientists say.

The killer whale was likely the same one that stranded in Whangarei Harbour last year.

By better understanding how our brains work, can we change how we feel pain? A world-leading Kiwi neuroscientist, back in New Zealand, talks to science reporter Jamie Morton.

Nasa are testing the engines of the world's biggest rocket set to launch in 2018.

Have you ever wondered what is happening in your little sleepy head's mind?

Scientists describe November jolt as an "incredibly complex earthquake" in which some land was offset by as much as 12 metres.

New findings suggest poison, not cancer or faulty glands, did in the author of Sense and Sensibility.

MPs are expecting furious opposition to proposals on fluoridated drinking water as public hearings kick off this week.

The power-packed storm meteorologists have dubbed the "Tasman Tempest" dumped more rain on Auckland than typically falls for the whole of March.

A sinkhole in New Lynn could be bigger than it looks. So what causes them? We asked an expert.

NZ is not only a beautiful country on the ground but it also looks incredible from the sky.

Researchers crunched the numbers on your ride.

A Kiwi researcher is set to peer inside the minds of porn users.

A Kiwi scientist meeting in Brazil with world climate experts discusses a new report assessing what an extra 1.5C of warming would mean for the planet.

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