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Outline of figure that is just visible over shelves of books

Space

Nowhere to hide - invisibility cloaks fail near light speed

Researchers crossing Albert Einstein's theory of relativity with the theory of invisibility cloaks have discovered such devices won't work at high speeds

News

New rumours that gravitational waves have finally been detected

Space

New rumours that gravitational waves have finally been detected

News

Entangled universe

Space

Entangled universe: Could wormholes hold the cosmos together?

Features

General relativity at 100: The missing piece of the jigsaw

Physics

General relativity at 100: The missing piece of the jigsaw

Features

General relativity at 100: Still no theory of everything

Physics

General relativity at 100: Still no theory of everything

Features

General relativity at 100: The paradox of black holes

Space

General relativity at 100: The paradox of black holes

Features

Stephen Hawking says he has a way to escape from a black hole

Physics

Stephen Hawking says he has a way to escape from a black hole

News

<em>Interstellar</em>'s true black hole too confusing

Space

Interstellar's true black hole too confusing

News

Gravity's secret: How relativity meets quantum physics

Physics

Gravity's secret: How relativity meets quantum physics

Features

Einstein's ripples: Your guide to gravitational waves

Space

Einstein's ripples: Your guide to gravitational waves

The first glimpse of primordial gravitational waves is a landmark in our understanding of the universe – but what exactly are these all-important ripples?

News

Space

Black hole binge could test general relativity

News

General relativity: Einstein's insight

Features

General relativity: Physicist, superstar

Features

Space

Cosmic clocks: Relativity's final test

Features