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An artwork made my layering many paper cutouts, showing an astronaut near a black hole. Within the black hole are colourful swirls, stars and specks

Physics

Black hole entropy hints at a surprising truth about our universe

Two clashing ideas about disorder inside black holes now point to the same strange conclusions, and it could reshape the foundations of how we think about space and time

Features

A new understanding of causality could fix quantum theory’s fatal flaw

Physics

A new understanding of causality could fix quantum theory’s fatal flaw

Features

Space

Lumpy ‘caterpillar wormholes’ may connect entangled black holes

News

No space, no time, no particles: A radical vision of quantum reality

Physics

No space, no time, no particles: A radical vision of quantum reality

Features

Physics

Could gravity produce quantum entanglement if it’s not fully quantum?

News

Chaotic streams of energy appear to slice through space

Physics

Is gravity a new type of force that arises from cosmic entropy?

Features

Astronaut Scott Kelly posted this photo of an aurora taken from the International Space Station to Twitter on August 15, 2015

Physics

The radical idea that space-time remembers could upend cosmology

Features

2T1GT7B Artwork of Accelerating Universe

Physics

How dark energy findings may inspire a new generation of physics nerds

Comment

The bold attempt to solve the toughest mystery at the heart of physics

Physics

The bold attempt to solve the toughest mystery at the heart of physics

Features

Abstract prism of light references quantum properties

Video

Five physicists discuss the achievements and future of quantum theory

Five quantum theorists discuss the greatest achievements of quantum mechanics and look forward a future in which experiments might finally answer some of the theory's biggest mysteries

Video

Physics

Why I still love reckoning with the quantum gravity problem

Comment

Physics

How nothing could destroy the universe

News

Physics

Gravity may arise from quantumness of space

News

Physics

A new kind of hidden black hole may explain the mystery of dark energy

Features