Looking after the chicks orphaned by the mysterious deaths of adult yellow-eyed penguins on Otago Peninsula has become a fulltime job.

Bodies of more than 40 endangered yellow-eyed penguins have been found on Otago Peninsula, raising concerns of a repeat "mass mortality" event in 1990.

Could it be that the humble sea urchin has come to the rescue? Sam Judd finds that the latest technological breakthrough for waging war on carbon emissions has the spiny sea creatures to thank.

An expedition to one of the deepest ocean trenches has discovered a new species of fish and another not previously caught in the southwest Pacific.

A Hawkes Bay family got more than they bargained for when they cracked open an unusually large egg laid by their pet chicken recently - another egg.

Researchers from the British Antarctic Survey and the US National Environment Research Council used satellite imagery to discover a massive penguin colony on the Princess Ragnhild Coast in Antarctica.

Humans have made first contact with a massive emperor penguin colony in east Antarctica.

A "swat team" of whale rescue experts has undertaken an intensive three-day course in freeing whales that have become tangled in ropes and nets.

A set of fossilised bones kept for more than half a century in the dusty storerooms of the Natural History Museum in London belonged to the earliest known dinosaur to roam the land.

"Why doesn't NZ take a bold step and complement its clean, green image by becoming the first country in the world to ban testing on animals?" asks Catriona MacLennan.

Editorial: The use of animals in such a context should not win the approval of the National Animal Ethics Advisory Committee.

Manufacturers of party pills could be prevented from testing their drugs on animals if they cannot prove it is worth the pain they could potentially cause.

A shark that swam from New Zealand to Fiji has returned home for Christmas, rounding off an 11,000km odyssey and amazing the scientists who tracked her journey.

New Zealand has joined Australia in questioning the validity of Japan's whaling for scientific purposes in the Southern Ocean, says MP Murray McCully.

Animal-loving science students design network to bring pets and their owners together.

New Zealand scientists have genetically engineered a cow that may be the first in the world to produce hypo-allergenic high-protein milk.

Wasteful and cruel shark-finning is prohibited in many countries, but NZ allows it - with provisions, writes Alexander Gillespie.