Nature, Published online: 22 July 2026; doi:10.1038/d41586-026-02236-7

Transmissible tumours have been found in only a few types of animal, but there might be many more out there.

Nature, Published online: 10 July 2026; doi:10.1038/d41586-026-02091-6

General purpose AI tools for science, such as Claude Science, promise to accelerate research. But which is right for you?

Nature, Published online: 23 June 2026; doi:10.1038/d41586-026-01842-9

Stretching protein samples in all directions pulls molecules farther apart, allowing them to be visualized using only light microscopy.

Nature, Published online: 18 June 2026; doi:10.1038/d41586-026-01910-0

Embryonic ‘organizer cells’ can tell embryos of various phyla what kind of body to build.

Nature, Published online: 09 June 2026; doi:10.1038/d41586-026-01840-x

Fossilized poo harbours remains from mammoths, bison and big cats, including some of the oldest DNA ever reconstructed.