Multicolored 3D rendering of a muscle fiber. It looks a bit like a bundle of yarn, with lots of short, aligned strands. A 3D rendering of the proteins in a muscle fiber, captured by cryo-electron ...

Over the past two decades, researchers have learned that DNA inside the cell nucleus naturally folds into a network of ...

All modern multicellular life — all life that any of us regularly see — is made of cells with a knack for compartmentalization. Recent discoveries are revealing how the first eukaryote got its start.