Human cells are extremely small and tightly packed – at about 20 micrometers across, roughly one-fifth the width of a human hair, each cell contains a dense mix of proteins, organelles, and molecular ...

Ribosomes, the cell's protein-making factories, consume large amounts of energy as they build the proteins that keep cells alive and functioning. When cells experience stress—such as lack of nutrients ...

Crystalline polymers assembled inside tumor cell lysosomes rupture membranes, release iron, and trigger immune-activating ...

Let’s start with a quick biology refresher: Mitochondria are the powerhouse of the cell. They convert the food we eat into ...

Human DNA constantly refolds in 3D space, and these looping dynamics regulate gene expression and cell identity.

The discovery of an unknown organelle inside our cells could open the door to new treatments for devastating inherited diseases. The organelle, a type of specialized structure, has been dubbed a ...

A new study maps millions of cells across organs and shows how aging changes the body in coordinated and surprising ways.

Add Yahoo as a preferred source to see more of our stories on Google. New AI model predicts mRNA protein output, aiding drug and vaccine design by targeting specific cells. (CREDIT: Science Photo ...

A DNA nano-harvester stays on its track inside tumor cells, measuring cancer aggressiveness by detecting a key microRNA ...

Innovations in imaging and genetic engineering are coming together to probe the biophysics of cytoplasm inside living animals.

Studying gene expression in a cancer patient's cells can help clinical biologists understand the cancer's origin and predict the success of different treatments. But cells are complex and contain many ...