Researchers are re-creating early Earth conditions, discovering new RNA activities, and uncovering clues to life in the most ancient rocks. Yet the central role of RNA at life's debut is hardly ...

Molecules that combine elements of RNA and DNA, so-called chimeric molecules, may have been an important step in the emergence of life on Earth from the primordial ... lifeforms—commonly thought to be ...

Almost. Many biologists think that the first life on Earth had instructions encoded not in DNA but in a primitive form of RNA. In this so-called "RNA World," RNA by itself could have played all ...

A discovery by scientists at Scripps Research and the Georgia Institute of Technology could shed light on the evolution of ...

This of course does not prove life began under these circumstances ... and would not have existed on Earth to assist the ...

For example, DNA and RNA, the molecules that encode genetic ... of this discovery are far-reaching. If the first life forms ...

Imagine recreating the birth of life on Earth—unravelling the mysteries of our planet’s evolution and the origins of life itself. Though numerous theories a ...