Cells have evolved careful checks to ensure DNA is copied only once, but how they switch on replication at the right moment ...

Every time a cell divides, it must copy its DNA with extraordinary precision. But this process is constantly challenged by DNA damage. Among the most dangerous lesions are DNA interstrand crosslinks ...

Scientists have finally recreated the initial steps of HIV infection in a test tube, offering an incredibly zoomed-in view of the virus in action. The amazing images show a cone-shaped shell of ...