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New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Lost in Space-Time

Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the universe. You can sign up to the Lost in Space-Time newsletter here.
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Martin Rees - Astronomer Royal

Space

'This century is special': Martin Rees on the vast span of time

Cosmology has transformed our understanding of time past and the aeons to come, pointing to a deep future in which life may morph into incredible forms, says Astronomer Royal Martin Rees

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A still from the movie Interstellar, which explores themes of time travel.

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5 must-see time travel movies reviewed by a metaphysicist

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MMX mission

Space

Japan is sending a rover to Mars's moon Phobos in 2024

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Europa Clipper Reaction Wheel installations Requester: Gretchen Mccartney Photographer: Gregory M. Waigand Date: 2022-10-14 Photolab order: 106955-11.00.00.A04

Space

Europa Clipper will launch to Jupiter in 2024 to explore its icy moon

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Sir David Attenborough

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The 12 best science documentaries of 2023

Culture

Galaxy cluster MACS0416, also known as the Christmas tree

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JWST and Hubble take stunning image of the 'Christmas tree' cluster

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Uranus, showing its rings and nine of the planet's 27 moons

Space

Stunning JWST image of Uranus shows 13 rings and nine moons

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Possibly the smallest stars ever discovered

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Astronomers have spotted what may be the smallest stars ever seen

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Space

The biggest science news stories of 2023 as chosen by ¿ìè¶ÌÊÓƵ

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Wolf-Rayet stars are known to be efficient dust producers, and the Mid-Infrared Instrument (MIRI) on NASA?s James Webb Space Telescope shows this to great effect. Cooler cosmic dust glows at the longer mid-infrared wavelengths, displaying the structure of WR 124?s nebula. The nebula is made of material cast off from the aging star in random ejections, and from dust produced in the ensuing turbulence. This brilliant stage of mass loss precedes the star?s eventual supernova, when nuclear fusion in its core stops and the pressure of gravity causes it to collapse in on itself, and then explode. As MIRI demonstrates here, Webb will help astronomers to explore questions that were previously only left to theory about how much dust stars like this create before exploding in a supernova, and how much of that dust is large enough to survive the blast and go on to serve as building blocks of future stars and planets.

Space

Six of the most amazing space pictures from 2023

This year saw an extraordinary number of awe-inspiring images of objects in space, thanks in part to the James Webb Space Telescope. Here are the ones that dazzled us most and why they are important

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Space

This mathematical trick can help you imagine space-time

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Physics

Why I've been somewhat obsessed with space-time this year

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The best new science fiction books of December 2023

Culture

Space

Key molecule for life may have formed on interstellar ice

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