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space-time

Mountains under mist in the morning Amazing nature scenery form Kerala God's own Country Tourism and travel concept image, Fresh and relax type nature image; Shutterstock ID 1725825019; purchase_order: -; job: -; client: -; other: -

Physics

Time travel sci-fi novel is a rip-roaringly good thought experiment

An ordinary-looking valley has a secret – each of its neighbours is 20 years removed in time. Scott Alexander Howard's debut is heartfelt and deeply enjoyable, says Emily H. Wilson

Culture

Lens Flare, Sun Light on Black Background, Solar Energy.Environmental Conversation.

Space

Why we might finally be about to see the first stars in the universe

Features

Space

SpaceX prepares for Starship flight with first 'chopstick' landing

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The 60mm2 wafer that could work as a light sail

Space

Wafer-thin light sail could help us reach another star sooner

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The astronaut in an outer space, at the ISS, repairs and makes experiments. Elements of this image were furnished by NASA; Shutterstock ID 1478957909; purchase_order: -; job: -; client: -; other: -

Space

Space travel may make muscles age extremely quickly

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Earth viewed from the moon

Space

Moon bases will need to be 3 metres underground to avoid radiation

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Space

Universe’s missing matter may be explained by galaxies leaking gas

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Space

Zombie galaxy came back to life after 20 million years

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Wireframe view of the east and west walls, and floor, of the Mare Tranquillitatis pit

Space

Deep pit on moon may be entrance to cave that could act as lunar base

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pocket watch

Physics

You can turn any random sequence of events into a clock

A set of mathematical equations can help turn apparently random observations into a clock – and then measure its accuracy

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Space

Ariane 6 rocket launch: What is it and when is it happening?

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Mathematics

Is the universe a game?

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Space

Time ticks faster on the moon by 57 microseconds per Earth day

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Space

‘Little red dot’ galaxies are breaking theories of cosmic evolution

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