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artwork of a section of the Kuiper Belt

Space

We’ve found an unexpected structure in the solar system’s Kuiper belt

A newly discovered cluster of objects called the “inner kernel” of the Kuiper belt could teach us about the early history of the solar system – including the movement of Neptune

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

Space

A distant comet is forming new rings while we watch in real time

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?

Comment

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

Space

There might be a 'Planet Y' hiding in the outer solar system

News

Space

Ceres may have been habitable at just half a billion years old

A billion or so years into its evolution, the icy dwarf planet Ceres may have had the right conditions to sustain life, which indicates the solar system may be more habitable than we thought

News

Environment

Bill McKibben makes a powerful pitch for solar in optimistic new book

Culture

Space

6 of the most fascinating moments in the life of our solar system

Features

Space

A planet the size of Saturn could orbit the nearest sun-like star

News

Earth

Deep-living microbes could 'eat' energy generated by earthquakes

News