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S3F98G Colorful balloons against the light

Space

How the balloon analogy for an expanding universe is almost perfect

If space-time is expanding, then why does gravity seem to pull things together? Physics can be weird, says Chanda Prescod-Weinstein

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ESA astronaut Andreas Mogensen

Space

ISS livestream: Watch a live link-up with astronaut Andreas Mogensen

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Herbig-Haro 46/47, captured by NASA's James Webb Space Telescope

Space

JWST should soon glimpse the very first stars born after the big bang

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A fully deployed OTIS, with the secondary mirror extended over the primary mirror, is removed from Chamber A after a successful thermal-vacuum test in 2017. Seen still in the chamber is a sunshield simulator, called the L5 Simulator, representing the fifth and innermost layer of the sunshield. The telescope would be shipped to the Northrop Grumman facility in California to be integrated with the real sunshield. I was suspended on a lift for this shot. Page 119

Space

A glimpse inside how the James Webb Space Telescope was put together

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The best new science fiction books of October 2023

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The best new science fiction books of October 2023

Culture

Students search desert for lost rocket after attempted launch to space

Space

Students search desert for lost rocket after attempted launch to space

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Technology

Super-heatproof computer memory survives temperatures over 500°C

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image of the galaxy cluster El Gordo

Space

Distant galaxies are gobbling up an unexpected amount of gas

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Northern Lights over Culloden, Scotland

Space

How to see the northern lights this winter

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Artist's concept of Makemake

Space

Eris and Makemake might be hiding unexpected oceans of liquid water

Dwarf planets aren’t expected to carry liquid water, but hints of surprising geological activity spotted with JWST indicate that some of them might have buried oceans

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Space

Data leak means anyone can see when astronauts urinate on the ISS

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Space

JWST has taken an astonishing image of a baby star with powerful jets

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Space

It's a great time to see the Cygnus constellation – here's how

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Space

Reusable rocket built by students is about to launch to space

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