Cell publishes peer-reviewed articles reporting findings of unusual significance in any area of experimental biology.

Cells emerged on Earth about four billion years ago. All organisms are grouped into prokaryotes, and eukaryotes. Prokaryotes are single-celled and include archaea and bacteria. Eukaryotes can be …

Jan 16, 2026 · A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living …

Jun 14, 2025 · A cell is the smallest structural and functional unit of an organism, typically microscopic, consisting of cytoplasm and a membrane, and in most cases containing a nucleus and organelles.

2 days ago · All cells can be sorted into one of two groups: eukaryotes and prokaryotes. A eukaryote has a nucleus and membrane-bound organelles, while a prokaryote does not. Plants and animals are …

All living things are made of cells. They are the basic building blocks of life. The human body is composed of trillions of cells, all with their own specialised function. Cells are the basic structures of …

All cells evolved from a common ancestor and use the same kinds of carbon-based molecules. Learn how cell function depends on a diverse group of nucleic acids, proteins, lipids, and sugars.