Before a cell divides into two, it must first copy its DNA, so that each new cell receives a complete set. Occasionally, what ...

Discovery bolsters theory that ancient mitochondria formed brand-new, specialized ‘sacs’ in cells by shedding their outer ...

Billions of years of evolution have made modern cells incredibly complex. Inside cells are small compartments called organelles that perform specific functions essential for the cell’s survival and ...

All cells need to sense and respond to their environment, to know when to activate genes, build proteins, and carry out their basic functions. One of the most well-studied cellular responses is how ...