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Scientist of the Institute for Safety Problems of Nuclear Power Plants of the NAS of Ukraine in the Chernobyl Exclusion Zone, Ukraine, December 15, 2025. Anatoly Doroshenko

Physics

The man who crawls into the perilous heart of the Chernobyl reactor

Ever since the Chernobyl nuclear reactor exploded in 1986, scientists have needed to monitor radioactive conditions inside. That job currently falls to Anatoly Doroshenko, who explains the dangers and importance of his work to 91av

Features

Chernobyl 2022

Physics

Exclusive report: Inside Chernobyl, 40 years after nuclear disaster

Features

Environment

Plug-in solar is coming – how dangerous is it and is it worth it?

News

Environment

This state’s power prices are plummeting as it nears 100% renewables

News

Physics

Chernobyl cooling systems have lost power but meltdown risk is low

News

Environment

How green hydrogen could power industries from steel-making to farming

News

seafloor covered with manganese nodules

Environment

Have we found a greener way to do deep-sea mining?

News

Environment

Australia is getting free electricity - will other countries follow?

Analysis

Environment

Solar energy is going to power the world much sooner than you think

News

Solar panels installed in wild brush land near Worcester, Western Cape, South Africa.

Environment

What made solar power the most desirable energy source on the planet?

In this latest instalment of Future Chronicles, an imagined history of future inventions, Rowan Hooper explains how the creation of living solar panels transformed their impact on the world

Comment

Earth

Atmospheric hydrogen is rising, which may be a problem for the climate

News

Technology

Modular nuclear reactors sound great, but won't be ready any time soon

Analysis

Chemistry

Sun-powered device extracts lithium without wrecking the environment

News

Environment

Why solar power is the only viable power source in the long run

Analysis