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How indefinite causality could lead us to a theory of quantum gravity

Physics

How indefinite causality could lead us to a theory of quantum gravity

Experiments show that effect doesn’t always follow cause in the weird world of subatomic particles, offering fresh clues about the quantum origins of space-time

Features

Icy exoplanet on a dark background. Elements of this image furnished by NASA. High quality photo; Shutterstock ID 2253223513; purchase_order: -; job: -; client: -; other: -

Space

Why are there so many rogue planets and what do they look like?

Features

We are about to hear echoes in the fabric of space for the first time

Space

We are about to hear echoes in the fabric of space for the first time

Features

Mathematics

500-year-old maths problem turns out to apply to coffee and clocks

News

Boeing's Starliner spacecraft

Space

Boeing’s Starliner spacecraft launch delayed due to rocket fault

News

The best new science fiction books of May 2024

Comment

The best new science fiction books of May 2024

Culture

Space

Running around a 'wall of death' could keep moon settlers fit

News

Space

How India has slowly but surely become a major player in space

Analysis

Space

Knot theory could help spacecraft navigate crowded solar systems

News

We live in a cosmic void so empty that it breaks the laws of cosmology

Space

We live in a cosmic void so empty that it breaks the laws of cosmology

Mounting evidence suggests our galaxy sits at the centre of an expanse of nothingness 2 billion light years wide. If so, we may have to rethink our understanding of the universe

Features

Space

One of the biggest mysteries of cosmology may finally be solved

News

Mathematics

The mathematician who worked out how to time travel

News

Comment

The best new science fiction books of April 2024

Culture

Space

Japan’s SLIM moon lander surprisingly survived a second lunar night

News