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Physics

Einstein killed the aether. Now the idea is back to save relativity

The luminiferous aether has become a byword for failed ideas. Now it is being revived to explain dark matter and dark energy, and potentially unify physics

Features

Moving to Mars – this show will help you become a real Martian

Technology

Moving to Mars – this show will help you become a real Martian

Culture

Extinction Rebellion protests should be embraced, not banned

Environment

Extinction Rebellion protests should be embraced, not banned

Comment

A wind turbine farm off the coast of Yorkshire, UK

Technology

Renewables overtook fossil fuels in UK electricity mix for first time

News

Morupule coal mine in Botswana

Environment

World’s largest untapped coal reserve about to go up in smoke

News

The Hinkley Point C Construction Site

Technology

Could rising costs at Hinkley Point C end the UK's nuclear ambitions?

News

Galaxies in space

Space

Weird galaxies suggest our best understanding of the cosmos is wrong

News

Wind turbines

Technology

The cost of subsidising UK wind farms has dropped to an all-time low

News

Man with tent at night

Technology

Generator that runs on heat escaping to the sky can charge phones

News

Fracking plant

Environment

Fracking boom could explain the puzzling rise in global methane levels

The shale gas boom could be to blame for rising methane in the atmosphere. If the trend continues, it could put our climate goals in greater jeopardy

News

Physics

Military-grade jet fuel made cheaply from plant waste instead of coal

News

Technology

We could put enough wind turbines on European land to power the world

News

Technology

Outshining fossil fuel: Your guide to the revolution in solar energy

Features

Environment

Coal power in Europe has had its biggest ever decline

News