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Exotic fifth state of matter made on the International Space Station

Space

Exotic fifth state of matter made on the International Space Station

An instrument on board the International Space Station contains one of the coldest places in the universe, and researchers have used it to create a cloud of frozen atoms

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Taming nuclear fusion is hard, but there are new reasons for optimism

Physics

Taming nuclear fusion is hard, but there are new reasons for optimism

Leader

Why cracking nuclear fusion will depend on artificial intelligence

Physics

Why cracking nuclear fusion will depend on artificial intelligence

Features

Electromagnetism

Definition

Electromagnetism

Two particles ready to collide to one another representing the weak nuclear force

Definition

Weak nuclear force

Why the universe I invented is right – but still not the final answer

Space

Why the universe I invented is right – but still not the final answer

Features

Strong nuclear force

Definition

Strong nuclear force

Gravity

Definition

Gravity

The surprising benefits of contemplating the death of the universe

Physics

The surprising benefits of contemplating the death of the universe

Features

We have seen hints of a new fundamental force of nature

Physics

We have seen hints of a new fundamental force of nature

Multiple indications seem to be showing that something is manipulating the universe beyond the four basic forces we know – and we are starting to work out what it is

Features

Last Word

This week’s new questions

Regulars

Physics

Pondering the big question of consciousness is a welcome distraction

Leader

Video

What is life and how did it evolve? We're getting closer to the answer

Video

Video

Jess Wade: The magic of mirror molecules and incredible nanostructures

Video