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Earth

Sun-blocking dust from asteroid impact drove the dinosaur extinction

The Chicxulub impact 66 million years ago filled the sky with fine silicate dust, which blocked out sunlight and lingered for 15 years

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Physics

The Great Sphinx of Giza may have been blown into shape by the wind

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Earth

Ancient river valleys discovered beneath Antarctic ice sheet

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Earth's core

Earth

Earth’s core is oddly squishy and we may now know why

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Earth

Huge earthquake shook Seattle 1100 years ago and it could happen again

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Environment

How geologic hydrogen went from fringe science to potential green fuel

Analysis

Coloured diamonds from the Argyle mine in Australia

Earth

Rare Australian pink diamonds emerged when a supercontinent broke up

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West Coast of Vancouver Island near a proposed site for carbon storage

Environment

Could pumping CO2 under Canada's coast cause earthquakes?

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Earth

Canadian lake selected as site to mark the start of the Anthropocene

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A map of Earth's gravity

Earth

There's a gravity 'hole' in the Indian Ocean and now we may know why

Earth appears to have less mass beneath a certain part of the Indian Ocean compared with the rest of the planet. Plumes of magma at the location could explain why

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Earth

Dried-up lake may explain why California is 'overdue' major earthquake

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Earth

Why is China drilling a hole more than 10,000 metres deep?

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Earth

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

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Earth

Earliest evidence of a meteorite hitting Earth found in Australia

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