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A visualization of a supercomputer simulation of merging black holes sending out gravitational waves

Physics

Dark matter could be produced by twisted gravitational waves

If gravitational waves – ripples in space time – have a handedness, primordial particles could interact with them to form a dark matter superfluid that spreads through the cosmos

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There could be entire stars and planets made out of dark matter

Space

There could be entire stars and planets made out of dark matter

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Renewables now generate more electricity than coal in Europe

Earth

Renewables now generate more electricity than coal in Europe

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A gamma-ray burst

Space

Dark matter near black holes sends gamma rays from galaxy's core

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Australia's A$60 million plan for Great Barrier Reef won't work

Earth

Australia's A$60 million plan for Great Barrier Reef won't work

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A capsized oil tanker is releasing invisible toxins into the sea

Earth

A capsized oil tanker is releasing invisible toxins into the sea

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Mystery dark matter may be ordinary neutrons that have decayed

Physics

Mystery dark matter may be ordinary neutrons that have decayed

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China tackles climate change with world's largest carbon market

Earth

China tackles climate change with world's largest carbon market

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low-power light

Technology

People without electricity could end up living the energy dream

Insight

Good news: Demand for coal is plummeting towards a record low

Earth

Good news: Demand for coal is plummeting towards a record low

The global demand for coal has fallen 4.2 per cent over the last two years, one of the biggest drops on record

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Space

Ancient black holes ruled out as source of all dark matter

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Earth

Faltering carbon capture needs more investment not doubt

Comment

Physics

Dark energy is mutating, with grave consequences for the cosmos

Features

Space

The usual way of hunting dark matter may be all wrong

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