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The volcanic alert level for Mount Ruapehu has been lowered and temperatures have dropped in the crater lake.

A 'silent' earthquake that's been happening for a week, and could continue for months, has been detected off the coast of Gisborne.

Phytoplankton, which accounts for half of the planet's total biological productivity, leave a clear fossil footprint, which allows palaeontologists to trace past environmental change and extinction…

The growth of a magma chamber was responsible for a seven-year swarm of earthquakes in the Bay of Plenty, a GNS study has found.

Explosions from an army operation on Mount Ruapehu has sparked fears of an earthquake in nearby towns.

Scientists say Mt Ruapehu is discharging more and more sulphorous gases but growing rumbles will not necessarily lead to a significant eruption.

The volcanic alert level for Mount Ruapehu has been raised, signalling a higher chance of an eruption.

The volcanic alert level for White Island has been lowered one level after a drop-off in volcanic activity.

A new crater has been found on the active White Island volcano in the Bay of Plenty following an eruption earlier this week.

Evacuation maps have been prepared for the Tasman region in case a tsunami occurs.

GNS Science scientists work together with Ngati Kahungunu to run marae-based workshops on geological hazards, natural resources and climate change.

A team of Australian and New Zealand fossil hunters on a National Geographic expedition spent weeks scouring sites in Marlborough and on the Chatham Islands for remnants of prehistoric polar forests.

Palaeontologists studying an ancient group of extinct marine plankton find surprising results about which species are vulnerable to extinction.

Scientists reveal the climate history hidden in the mud at the bottom of Lake Ohau, reaching back to the end of the last Ice Age some 18,000 years ago.

An international team of scientists found that Antarctica's land-based ice sheets are more vulnerable to rising temperatures than they previously thought.

Safety inspections are continuing in Christchurch after Sunday's quake, with all walking tracks in the Port Hills and Christchurch City Council facilities now open. Video

Just as Christchurch was about to mark five years since the big 2011 earthquake, it was hit again. But why does the city continue to be shaken by quakes? Audio