A new study reveals that blocking ribosomal RNA production rewires cancer cell behavior and could help treat genetically ...

The mystery deepened in the 1970s when a team of scientists entered the tomb of Polish king Casimir IV. Within weeks, 10 out ...

Proteins are the infinitely varied chemicals that make cells work, and science has a pretty good idea how they are made. But ...

During animal development, cells divide and arrange themselves in a coordinated way, eventually forming the embryo. The cells ...

Organ-on-a-chip systems offer a more accurate, ethical, and scalable alternative to animal testing in drug discovery and ...

University of Virginia scientists discover new cell organelle called "hemifusome" that helps manage cellular recycling.

Water and air pose completely different challenges to animals on a number of levels.

Cells are the fundamental, structural, and functional units of living organisms. Cells are composed of cytoplasm containing various organelles, such as the nucleus, in which the DNA is stored, or ...

Even after decades of research, biologists are still uncovering surprises about the human body. A team of researchers from ...

Cell signalling is the mechanism by which stimuli are transmitted via a signalling cascade to effector molecules that orchestrate the appropriate response. Types of cell signalling pathways ...

Scientists say they captured 3D images of a new organelle they're calling a "hemifusome," which may be a recycling center in ...

John is Ars Technica’s science editor. He has a Bachelor of Arts in Biochemistry from Columbia University, and a Ph.D. in Molecular and Cell Biology from the University of California, Berkeley.