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Chess pieces

Physics

What is reality? Why we still don't understand the world's true nature

It’s the ultimate scientific quest – to understand everything that there is. But the closer we get, the further away it seems. Can we ever get to grips with the true nature of reality?

Features

Are dark matter and dark energy related in anything apart from name?

Physics

Are dark matter and dark energy related in anything apart from name?

Comment

The grid of space-time shows the universe and its galaxies

Space

Dark energy: Understanding the mystery force that rules the universe

Features

Melissa Uchida

Video

Why neutrinos could answer some of the biggest questions in the cosmos

Video

Chamkaur Ghag

Video

The hunt for dark matter: Solving the universe's big questions

Video

Michele Bannister

Video

The inside story on 'Oumuamua and other interstellar worlds

Video

'I like a challenge': CERN physicist on the draw of weird antimatter

'I like a challenge': CERN physicist on the draw of weird antimatter

Regulars

Why dark matter's no-show could mean a big bang rethink

Physics

Why dark matter's no-show could mean a big bang rethink

Features

traveller in fog

Physics

Einstein killed the aether. Now the idea is back to save relativity

Features

Galaxies in space

Space

Weird galaxies suggest our best understanding of the cosmos is wrong

We have found two weird galaxies that either have no dark matter or are travelling insanely fast. Our best models of the cosmos can't explain how they exist

News

Space

Strange stars that go supernova may be dimming because of dark matter

News

Definition

Dark energy

Definition

Cosmic microwave background

Physics

Dark matter can't be seen, so this gallery is making it sing

Culture