When a cell divides, it performs a feat of microscopic choreography—duplicating its DNA and depositing it into two new cells. The spindle is the machinery behind that process: It latches onto ...

Every second, millions of cells in your body divide in two. In the space of an hour, they duplicate their DNA and grow a web of protein fibers around it called a spindle. The spindle extends its many ...

Scientists have a solid understanding of what makes up spindles — the cellular machinery that separates chromosomes — but are less certain about how the building blocks of spindles, called ...