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Dwarf spiral galaxy

Space

Dark matter that talks to itself could explain galaxy mystery

A team of astronomers think a new explanation for dark matter can best explain its mysterious effects on the speed of stars within galaxies

News

petrol station

Technology

How challenging the meaning of 'fuel' lets the real world in

Culture

Coal-fired power plant

Earth

Finland set to become first country to ban coal use for energy

News

EM drive

Space

Is new talk of interstellar drive too good to be true?

Comment

Energy-efficient engine turns waste hot water into electricity

Technology

Energy-efficient engine turns waste hot water into electricity

News

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Old Scientist: Happily upholding ideals since issue number 1

Regulars

The world in 2076: Goodbye electricity, hello superconductivity

Physics

The world in 2076: Goodbye electricity, hello superconductivity

Features

The world in 2076: Artificial starlight has made energy free

Technology

The world in 2076: Artificial starlight has made energy free

Features

Protestors

Earth

Donald Trump's climate sceptics are coming to drill, baby, drill

Comment

2016 now looks dead set to become the hottest year on record

Earth

2016 now looks dead set to become the hottest year on record

Global temperatures this year are approximately 1.2 °C above pre-industrial levels and are set to break the record for warmest year on record

News

Space

Dark energy could force the universe to gradually unzip itself

News

Earth

A pause in growth rate of atmospheric CO₂ is over – here’s why

News

Earth

Trump could land fatal blow to the fight against climate change

Comment

Technology

Beyond batteries: This technology could revolutionise energy

Features