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Physics

Time can move both forwards and backwards at the quantum scale

Physicists use mathematical assumptions in many situations that forbid time from moving backwards – but that isn’t necessarily a reflection of quantum reality

News

How does astronomy fit into astrophysics – and does it matter?

Physics

How does astronomy fit into astrophysics – and does it matter?

Comment

Images that capture our timeless obsession with the moon

Images that capture our timeless obsession with the moon

Regulars

Space

Maybe NASA’s SLS should be cancelled – but not by Elon Musk

Analysis

Space

Distant exoplanet may be the most volcanic world ever found

News

Space

How meteorites are rewriting the history of the solar system

News

Space

Astronomers have spotted the largest known object in the universe

News

Physics

The 100-year-old symmetry theorem that is still changing physics today

News

The best new science fiction books of February 2025

Comment

The best new science fiction books of February 2025

Culture

These interstellar spaceship designs are wildly impractical

Space

These interstellar spaceship designs are wildly impractical

��ýs’ ideas for travelling to the stars range from the the wholly improbable to the hugely expensive and very difficult, says Ed Regis

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Space

James Webb captures a beautiful smattering of blue stars

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Space

The physicist trying to build humanity's lunar future with moon dirt

Features

Space

Incredible images show the moment SpaceX's Starship exploded

Regulars

Space

See comet C/2024 G3 (ATLAS) as viewed from Earth's orbit

News