There are fewer monarch butterflies around. Those that are don't appear to be laying eggs.

The creature's behaviour is said to compare to Trump's stance on global warming.

Oumuamua has scientists completely baffled, it's possible we may have missed contact.

Disease-causing bacteria and antibiotic-resistant E. coli detected in Canterbury rivers.

Rotorua's geothermal wonderland belches 1000 tonnes of CO2. What creates it?

Researchers are eyeing a fresh way to help Kiwis battling with severe mood disorders.

COMMENT: Te Papa's latest restructuring will gut it of some expert curators.

A renowned Kiwi scientist's research could point the way to bio-engineering new kidneys.

Scientists are deploying underwater robots to prepare for NZ's next big marine disaster.

Gruelling negotiations in Poland have added legal flesh to bones of 2015 Paris agreement.

Kiwi and Korean scientists are teaming up to measure Antarctica's subtlest changes.

A decade-long plan to reverse the decline of our national bird has been launched today.

Nearly everything around you can be put down to a process called endosymbiosis.

We rely on population research to shape laws that affect all of us. Is it accurate enough?

"Grain-free" pet food is taking over the shelves, but it's health benefits are disputed.

A NZ project could create new drugs to fight the biggest killer of breast cancer patients.

Alaskan scientists describe never-before-seen melting in the Arctic and Antarctica.

COMMENT: Tests show many of our sunscreens don't provide the sun protection they claim.

Tool used to calculate farm run-off into waterways needs greater scrutiny, watchdog says.

A state-of-the-art centre will keep a constant watch on NZ's biggest geological threats.

Almost 200 countries agree on this crucial issue, but just four could force a showdown.

We're likely consuming the plastics we put in the ocean. And there's even worse news.

Scientists are excited at the carbon-capturing potential of a new class of compounds.

We know less about what's beneath Antarctic ice shelves than we do about Mars' surface.

Nicola Patrick on the spirit of Christmas

COMMENT: An interplanetary vacuum cleaner may be about to change the world.

Honeymoon long over? Hang in there, researchers say.

Sir David Levene says his wife's struggle with Parkinson's inspired his latest donation.

Cause of Earth's deadly extinction event has been found - and it doesn't bode well for us.

Experts explain the science behind this puzzling phenomenon.