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Earth

Oxygen on early Earth may have come from quartz crushed by earthquakes

Billions of years ago, crushed quartz reacting with water could have created the conditions needed for the evolution of the photosynthetic microbes responsible for most of the oxygen now in Earth’s atmosphere

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The evidence was found in a group of sedimentary and volcanic rocks in western Australia

Earth

Earliest evidence of a meteorite hitting Earth found in Australia

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Reconstruction of Earth's surface 90 million years ago, showing North America, Europe and Africa fragmented

Earth

Watch how the continents have shifted over the past 100 million years

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An aerial shot of Li River and Mashan Mountain in Yangshuo County, Guilin

Earth

Earth's 'geological thermostat' is too slow to prevent climate change

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Illustration of Earth's structure showing the core

Earth

Earthquakes suggest Earth's core has started spinning more slowly

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The Slumgullion landslide

Earth

Landslides can be triggered by small changes in atmospheric pressure

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Electron microscope image of hexagonal diamond in a meteorite

Space

Strange hexagonal diamonds found in meteorite from another planet

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Illustration of dinosaurs with meteorite

Earth

A second asteroid may have struck Earth when the dinosaurs died out

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Rocks on Middle Gidley island in Murujuga, Western Australia, that typify the landscape

Environment

Ancient Aboriginal rock art may reveal how Australia's climate changed

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Close-up of black meteorite

Space

Meteorite from Mars traced to crater where it was ejected by impact

Researchers used a supercomputer to analyse thousands of images of craters on Mars to find one that matched the properties of an unusual rock

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Earth

Reclassification of Earth's minerals reveals 4000 more than we thought

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Earth

What are the mysterious continent-sized lumps deep inside Earth?

Features

Earth

Tiny magnetic waves have been discovered in Earth’s core

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Earth

Burst of animal evolution altered chemical make-up of Earth's mantle

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