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Ghosts artwork

Space

Shadow worlds: Have we seen our first glimpse of dark forces?

The identity of the invisible stuff that holds galaxies together has long been a mystery. Now it might have been unmasked – and it’s not what we expected

Features

Feng Weizhong at Shanghai Wai Gaopiao Number 3 Power Generation

Earth

China’s drive to clean up its coal power, one plant at a time

News

solar panels on a house roof

Technology

Blockchain grid to let neighbours trade solar power in Australia

News

Ronald Richter

Physics

President Perón, I'll give you fusion in a bottle

Features

solar panel

Technology

How Tesla's batteries can change the solar power game

News

IceCube observatory

Space

IceCube telescope in Antarctica rules out sterile neutrinos

News

microbes

Technology

Bacteria made to turn sewage into clean water – and electricity

News

Clinton waves in front of a stage curtain while Sanders emerges from the wings behind her

Earth

Sanders turns the heat up to make Clinton a real climate champ

Comment

$UK will struggle to meet climate target if fracking goes ahead$

Earth

UK will struggle to meet climate target if fracking goes ahead

News

IKEA of energy delivers clean, green solar power-plant in a box

Earth

IKEA of energy delivers clean, green solar power-plant in a box

A start-up offering flat-packed solar generators is hoping to give a boost to poor villages off the grid

News

Earth

A slow revolution in the skies will transform life on the ground

Comment

Earth

Blowing hot air: Are wind farms really bad for your health?

News

Earth

US and India set to join UN climate deal and agree on renewables

News

Earth

The Oracle of Oil: The man who predicted peak oil

Culture