Nature, Published online: 31 May 2024; doi:10.1038/d41586-024-01609-0Unreliable data, falsification and other issues related to misconduct are driving a growing proportion of retractions.

Nature, Published online: 31 May 2024; doi:10.1038/d41586-024-01567-7The gigantic genome of a type of fork fern smashes the human one in terms of size.

Nature, Published online: 31 May 2024; doi:10.1038/d41586-024-01584-6Two particular broods of the insects are popping up together for the first time in two centuries, and there’s a lot we don’t know about them.

Nature, Published online: 31 May 2024; doi:10.1038/d41586-024-01531-5Two species in the gut microbiome transform corticosteroids into progestins, which can affect mood and behaviour.