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Physics

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

Features

Earth

Earth’s helium is running out and it has dire consequences for science

News

Cosmic inflation
Marie Curie

Marie Curie
trinity nuclear test explosion

The invention of the nuclear bomb

Jocelyn Bell Burnell
How did the universe begin?

How did the universe begin?
Mathematician and physicist Roger Penrose

Roger Penrose
Portrait of Galileo Galilei

Galileo Galilei

Isaac Newton

One of the founders of modern physics

Cosmic microwave background

Physics

How to make the perfect cr锚pe according to fluid dynamics

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General relativity

Physics

The kilogram has been transformed as new definition takes hold

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