Elizabeth Gibney

Time crystals, a state of matter once thought physically impossible, could soon be on a banknote.

OpenAI’s GPT-5 hallucinates less than previous models do, but cutting hallucination completely might prove impossible.

First major attempt to chart researchers’ views finds interpretations in conflict.

Hear the biggest stories from the world of science | 23 July 2025

The latest version of the chatbot, developed by start-up Moonshot AI, is open for researchers to build on.

Some studies containing instructions in white text or small font — visible only to machines — will be withdrawn from preprint servers.

Nature reporter joins hundreds of physicists on a remote island to celebrate Heisenberg’s enlightening trip there 100 years ago.

Pioneering organization aims to boost collaboration, track climate effects and improve disaster relief.

Europe’s ExoMars mission is among the highest-profile casualties of the US president’s plan to slash research funding.

System improves chip designs and tackles unsolved maths problems, but has not been rolled out to researchers outside the company.