Cells use proteins to make other proteins - new research could explain how the first proteins arose without other enzymes ...

Scientists discovered chemical reactions that place amino acids on tRNAs and extend peptide chains without enzymes, a key step in the origin of life.

Genes are the building blocks of life, and the genetic code provides the instructions for the complex processes that make organisms function. But how and why did it come to be the way it is? A recent ...

New findings show how thioesters could have been built, an important step to providing the energy needed for protein ...