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solar power

A total solar eclipse just passed over Chile and Argentina

Space

A total solar eclipse just passed over Chile and Argentina

On 2 July, the moon blocked out the sun over areas of Chile and Argentina in the first solar eclipse since the one that passed over the US in 2017

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'Oumuamua

Space

Interstellar object 'Oumuamua almost definitely not aliens, we think

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Mercury

Space

How Mercury and Venus can guide our hunt for alien life on exoplanets

Features

Europa

Space

Europa’s salty surface may indicate an ocean that’s good for life

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Car being fuelled from a pump

Environment

Hydrogen has a dirty secret – let's not think it's always a green fuel

Leader

Moon, Venus and Jupiter near Earth

Space

The planets might control the sun's activity - and it's not astrology

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Lise Meitner

People in Science

Lise Meitner

Jupiter's swirling cloud formations

Space

By Jupiter! How the solar system’s giant made Earth ripe for life

Features

The sun

Space

The young sun spun slowly, which could explain why we are here

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Pluto

Space

Pluto has an underground ocean kept warm by a layer of gassy ice

Pluto may harbour an ocean that’s kept liquid by an extra layer of gas molecules trapped in the ice at the base of its frigid shell

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Definition

Earth's moon

Physics

Artificial sponges could pull uranium from seawater for nuclear power

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Environment

Seven charts that explain what net zero emissions means for the UK

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Space

Surprisingly wet asteroid dust could spark a rethink of Earth's water

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