SCIENCE

Mathematicians unified key laws of physics in 2025

The equations that govern fluids can be tricky to handle Vladimir Veljanovski / Alamy In 1900, mathematician David Hilbert presented his colleagues with a list

SCIENCE

2025’s best photos of the natural world, from volcanoes to icebergs

Mount Etna erupting European Union, Copernicus Sentinel-2 imagery Mount Etna in Sicily is the world’s most active stratovolcano, which is a high, conical volcano created

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The best space pictures of 2025, from supernovae to moon landings

The supernova remnant SNR 0509-67.5 as seen by the European Southern Observatory’s Very Large Telescope ESO/P. Das et al. Background stars (Hubble): K. Noll et

SCIENCE

Putting data centres in space isn’t going to happen any time soon

Starcloud wants to build a data centre satellite that is 4 kilometres by 4 kilometres Starcloud Could AI’s insatiable thirst for colossal data centres be

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Strange lemon-shaped exoplanet defies the rules of planet formation

An artist’s impression of PSR J2322-2650b NASA, ESA, CSA, Ralf Crawford (STScI) Astronomers have found what appears to be one of the strangest known worlds

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Some Arctic warming ‘irreversible’ even if we cut atmospheric CO2

A glacier meets the sea in Dickson Fjord, Greenland Jane Rix/Alamy The Arctic will retain about 1.5°C of warming even if the carbon dioxide in

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Killer whales and dolphins are ‘being friends’ to hunt salmon together

A Pacific white-sided dolphin approaching a killer whale, as recorded from a camera worn by the killer whale University of British Columbia (A.Trites), Dalhousie University

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How worried should you be about screentime?

Marco_Piunti/Getty Images Wait, stop scrolling! How long have you been on your phone today? Is social media rotting your brain? We are constantly asking questions

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Comet 3I/ATLAS from beyond solar system carries key molecule for life

Comet 3I/ATLAS is only the third known visitor to our solar system from elsewhere International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; J. Miller & M. Rodriguez (Intl

SCIENCE

Black hole entropy hints at a surprising truth about our universe

Imagine you’re standing in front of a closed door. Behind it is a teenager’s bedroom, and your task is to rate how messy it is