Geology
Stalagmites form when water containing calcium carbonate drips down onto the floor of a cave and leaves limestone behind when it evaporates. Image: Shutterstock/ Dumitrescu Ciprian-Florin

What stalagmites tell us about climate change

Cave formations can act as prehistoric weather stations.

The Monowai volcanic centre, comprised of the Monowai cone (southwest) and the 10 kilometre Monowai Caldera in the northeast. Image: GNS and NOAA

Volcanic growth spurt

A submarine volcano has undergone the fastest rate of growth and collapse ever recorded.

The frequency of floods is increasing, according to scientists. Image: Shutterstock

Has Venice stopped sinking?

New research suggests it hasn’t.

Amasia, the new supercontinent

All of Earth’s current continents will form Amasia, a single landmass, in 50 to 200 million years time.

Lunar mineral discovered in Western Australia

A mineral thought to be unique to the Moon has been discovered in the Pilbara region.

Early life on Earth had sulphur-based metabolisms

Microfossils from the Pilbara in Western Australia have extended the fossil record of sulphur-loving bacteria by 500 million years or more.

New technique reveals how glaciers sculpt valleys

  What did the alpine landscapes of New Zealand look like before glaciation began?

Discovering Wassonite

On December 1969, the Japanese Antarctic Research Expedition found several meteorites in the Yamato Mountains in Antarctica.

The science behind tsunamis

The location and strength of the earthquake that struck Japan on March 11 determined the power of the tsunami.

Shallow quakes can cause more damage

The depth of the latest earthquake in Christchurch played a bigger role than it’s size.

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