In most modern cells, DNA stores the genetic blueprint, and proteins replicate, repair and build from those blueprints. At ...

A ribozyme found by accident selectively repairs broken RNA, suggesting early life could have preserved its genetic code ...

In most modern cells, DNA stores the genetic blueprint, and relies on proteins to replicate, repair and build from those ...

Evidence of a newly identified mechanism of horizontal gene transfer raises important questions about how evolution works.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists may have a step forward in understanding how life on our ...

The beginning of life on Earth and its evolution over billions of years continue to intrigue researchers worldwide. The central dogma or the directional flow of genetic information from a deoxyribose ...

Charles Darwin described evolution as "descent with modification." Genetic information in the form of DNA sequences is copied and passed down from one generation to the next. But this process must ...

Prospects for understanding the origin of the RNA world / Gerald F. Joyce and Leslie E. Orgel -- Reading the palimpsest: contemporary biochemical data and the RNA world / Steven A. Benner ... [et al.] ...

The origin of life continues to remain a matter of debate. The ribonucleic acid (RNA) world hypothesis proposes that 'ribozymes' which store genetic information and possess catalytic functions may ...