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space-time

Physics

First quantum grandfather clock could probe where gravity comes from

Researchers have designed a quantum version of a pendulum clock. It could shed light on timekeeping in the quantum realm

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White shirt material being cleaned

Space

Mars astronauts may do laundry by blasting clothes with a plasma beam

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Health

How ageing on Earth mimics the effects of space travel

Comment

The distant world that is our best hope of finding alien life

Space

The distant world that is our best hope of finding alien life

Features

Space

The hidden pockets of the universe where the future can cause the past

Comment

Technology

Tiny 'metajets' could use light to steer sails for interstellar travel

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Space

US government releases huge batch of UFO files

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The best new popular science books of May 2026

Comment

The best new popular science books of May 2026

Culture

Space

Ann Leckie continues to shine with new sci-fi novel Radiant Star

Culture

Antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), on the Chajnantor Plateau in the Chilean Andes. The Large and Small Magellanic Clouds, two companion galaxies to our own Milky Way galaxy, can be seen as bright smudges in the night sky, in the centre of the photograph.

Space

What to read this week: Emma Chapman's mind-expanding Radio Universe

An imaginative and compelling book reveals how radio waves help us tune in to our universe – and even search for alien civilisations, says Karmela Padavic-Callaghan

Culture

Space

NASA’s Artemis II mission was a historic success

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Physics

Quantum batteries could be charged by reversing time

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Space

The most stunning pictures from Artemis II’s flyby of the moon

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Space

The Artemis II astronauts have flown around the moon

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