Although there are striking differences between the cells that make up your eyes, kidneys, brain and toes, the DNA blueprint for these cells is essentially the same. Where do those differences come ...

Extremely short, or tiny, fragments of RNA - working copies of our genetic code - play a critical role in keeping the immune system in check ...

The original version of this story appeared in Quanta Magazine. For a molecule of RNA, the world is a dangerous place. Unlike DNA, which can persist for millions of years in its remarkably stable, ...

Although the participation of spliceosomes is almost always required for intron removal, a few types of genes have ...

The chemical structure of uracil, showing its single-ring pyrimidine structure. Uracil forms hydrogen bonds with adenine in RNA, contributing to the molecule's structure and function. (Image: Public ...