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Nature, Published online: 22 July 2026; doi:10.1038/d41586-026-02020-7Newfound fame has proved to be stellar for some astronauts but harder for others. Will NASA’s popular crew need some space?

Nature, Published online: 22 July 2026; doi:10.1038/d41586-026-02299-6Discovery of a distant Jupiter-mass object could pave the way for detection of exomoons — plus, a rare transmissible cancer found in catfish.

Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10828-6Whole-genome sequencing analysis of tumour and matched non-tumour host tissues of the brown bullhead catfish reveals a type of naturally occurring transmissible cancer.

Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10794-zContactSeek is an AlphaFold3-driven model that can improve the precision of genome-editing tools.

Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10919-4Electronic-resonance enhanced molecule for perovskite solar cells

Nature, Published online: 22 July 2026; doi:10.1038/s41586-026-10817-9An insulator-free topological waveguide architecture comprising four inequivalent photonic valley half-semimetals arranged in a parallel, cyclic configuration and stacked very close to one another demonstrates

The final report from a scientific panel recommends Jersey Water adheres to a lower PFAS levels.

Nature, Published online: 20 July 2026; doi:10.1038/d41586-026-02259-0Tree diversity is lower in regenerated forests than in old forests — even after 120 years of regrowth.