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Physics

Cold fusion: Science's most controversial technology is back

The claim to have tamed the sun in the lab was debunked 25 years ago. So why are governments and investors now pouring money into it again?

Features

Oil pipeline construction halted after Native American protests

Earth

Oil pipeline construction halted after Native American protests

News

A map showing an earthquake thought to be the result of a nuclear test in North Korea

Earth

North Korea’s largest nuclear test still lacks missile capacity

News

Demonstration with banner reading

Earth

Court rules in favour of Queensland mega-mine

News

The new wind farm

Earth

First US offshore wind farm will power an entire island

News

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

Illustration of hydrogen atom with single proton at nucleus and single electron orbiting it

Physics

How big is a proton? No one knows exactly, and that's a problem

News

solar panel

Technology

How Tesla's batteries can change the solar power game

Elon Musk's takeover of SolarCity can give solar power the efficiency boost it needs – letting rooftop panels pipe cheap energy onto the grid

News

Physics

Physicists look to the future as new particle dream dies

News

Physics

More haste, less speed: Don't rush to publish premature theory

Leader

Earth

Why Hinkley Point is a nuclear folly of Titanic proportions

Analysis

Technology

Bacteria made to turn sewage into clean water – and electricity

News