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space-time

Space

Spacecraft may need to be dirtier to keep astronauts healthy

There may be logic in keeping spacecraft as sterile as possible, but this could inadvertently be affecting astronauts' health

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Couple waiting at airport Description Couple sitting, waiting at the airport behind small squared glass wall, evoking a mirage, memory and dreams in blue and grey tones. Zurich, Switzerland. 2009

Mind

Sci-fi thriller Dissolution smartly interweaves time travel and memory

Culture

Jennifer Walshe

Space

¿ìè¶ÌÊÓƵ recommends Jennifer Walshe: Zero-gravity opera

Culture

Physics

Time can move both forwards and backwards at the quantum scale

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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

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Space

How meteorites are rewriting the history of the solar system

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Space

Astronomers have spotted the largest known object in the universe

The Quipu superstructure is enormous, spanning 1.4 billion light years – and it could violate one of our fundamental assumptions about the universe

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Physics

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

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Comment

The best new science fiction books of February 2025

Culture

Space

These interstellar spaceship designs are wildly impractical

Comment

Space

James Webb captures a beautiful smattering of blue stars

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