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Calving at the front of the Hisinger Glacier in Greenland

Environment

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

Efforts to lower the levels of CO2 in the atmosphere may come too late to prevent long-term changes to the Arctic

News

computer-generated view of Mars at the boundary between darkness and daylight, with an area including Gale Crater

Space

Mars may once have had a much larger moon

News

Quantum representation

Physics

Qubits break quantum limit to encode information for longer

News

drug-resistant Neisseria gonorrhoeae bacteria

Health

New antibiotic could stave off drug-resistant gonorrhoea

News

Technology

Disney and OpenAI have made a surprise deal – what happens next?

News

Killer whales and Pacific white-sided dolphins

Life

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

News

False-colour nuclear magnetic resonance (NMR) image of a human head

Health

Supposedly distinct psychiatric conditions may have same root causes

News

SNR 0519, the remnant of a supernova that exploded about 600 years ago

Space

Earth and solar system may have been shaped by nearby exploding star

News

Reconstruction of the city of Wroxeter in Roman Britain

Humans

Roman occupation of Britain damaged the population’s health

News

Environment

China's carbon emissions may have started to fall in 2025

The world’s biggest emitter of carbon dioxide is on the cusp of a turning point that could herald the beginning of a global decline in fossil fuel use

News

Life

De-extinction was big news in 2025 – but didn't live up to the hype

News

Life

A spectacular showcase of animal pictures from 2025

News

Technology

AI firms began to feel the legal wrath of copyright holders in 2025

News

Humans

The most amazing archaeology photos and discoveries of 2025

News