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What does gravity weigh? The surprise answer that reshapes reality

Physics

What does gravity weigh? The surprise answer that reshapes reality

We long assumed particles carrying the force of gravity couldn't have mass. That's wrong – and it may mean gravity travels at different speeds across the cosmos.

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Strong nuclear force

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Strong nuclear force

Gravity

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Gravity

We have seen hints of a new fundamental force of nature

Physics

We have seen hints of a new fundamental force of nature

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Chess pieces

Physics

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

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Javier Martin-Torres

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Life on Mars: Could we build a home on the Red Planet?

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Javier Martin-Torres

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Life on Mars: Could we build a home on the Red Planet?

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Chamkaur Ghag

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

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Peter van Nieuwenhuizen

Physics

Physicists who came up with supergravity win $3m Breakthrough Prize

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Welcome to the 5th dimension: Our universe's radical new fate

Physics

Welcome to the 5th dimension: Our universe's radical new fate

Our best models of cosmology suggest the universe will either go on forever, implode or rip itself apart. A new proposal suggests an even weirder destiny

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People in Science

Albert Einstein

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General relativity

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Black holes

Journeys into particle physics

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