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Technology

The 19 best Christmas gifts for science lovers (and nerds)

From microscopes to geodes, New Scientist staff share their top Christmas present ideas in a gift guide unlike any you鈥檝e seen before

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The best new science fiction books of November 2025

CMB-S4 will use telescopes installed at the South Pole to measure variations in the temperature and polarization of microwave light across most of the sky to probe for ripples in space-time. Shown here is the South Pole Telescope. Photo: Brad Benson, University of Chicago, Fermilab

Space

The end of US support for the CMB-S4 telescope is devastating

Satellite-filled sky

Earth

How worried should we be about noxious chemicals from dead satellites?

Once Upon a Time in Space book - James Bluemel Cosmonaut Valeriy Polyakov seen in Mir?s window from Shuttle Discovery STS063-711-080 (6 Feb. 1995) --- Cosmonaut Valeriy V. Polyakov, who boarded Russia's Mir Space Station on January 8, 1994, looks out Mir's window during rendezvous operations with the Space Shuttle Discovery. This is one of 16 still photographs released by the NASA Johnson Space Center (JSC) Public Affairs Office (PAO) on February 14, 1995. Onboard the Discovery were astronauts James D. Wetherbee, mission commander; Eileen M. Collins, pilot; Bernard A. Harris, Jr., payload commander; mission specialists C. Michael Foale, Janice E. Voss, and cosmonaut Vladimir G. Titov. Page 134

Space

See the beauty of space, captured by the astronauts who experienced it

A bright star emitting streaks of light that curve outwards as the star moves across the night sky

Space

How faster-than-light explosions could reveal the universe鈥檚 secrets

Geometric 3d render shower of decorative starry short lines. Digital waterfall made futuristic straight shapes with random repetition. Tears outer space falling in rays bright stars.; Shutterstock ID 1952851798; purchase_order: -; job: -; client: -; other: -

Physics

Should it be space-time or spacetime 鈥� and why does it matter anyway?

Lunar Crater Radio Telescope: Illuminating the Cosmic Dark Ages This illustration depicts a conceptual Lunar Crater Radio Telescope on the Moon?s far side. The early-stage concept is being studied under grant funding from the NASA Innovative Advanced Concepts program but is not a NASA mission. Credit: Vladimir Vustyansky

Space

Could a huge lunar telescope be our best chance of spotting aliens?

Space

6 of the most fascinating moments in the life of our solar system

Space

A planet the size of Saturn could orbit the nearest sun-like star

The James Webb Space Telescope has detected a possible gas giant the size of Saturn in the stellar system nearest our own

Space

The cosmos is vast, so how do we measure it?

Space

Bioplastic habitats on Mars could be built from algae

Space

Mystery fireball spotted plummeting to Earth over the US

Look inside the revolutionary Vera C. Rubin Observatory