The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead ...

In an investigation to find out what sparked life on Earth, researchers have discovered that RNA formed through surprisingly ...

The origin of the first living molecules on our planet has long been debated. However, recent experiments are revealing new ...

RNA probably came before DNA, serving as the storehouse of genetic information and driving chemical reactions; a ...

A breakthrough experiment, published in the Proceedings of the National Academy of Sciences, offers compelling support for ...

New research shows how RNA, a key molecule for life, may have formed on early Earth using simple chemistry and materials delivered by asteroid impacts, linking space science with the origins of life ...

New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from ...

The human body has to protect itself from pathogens and infectious agents, and there are a variety of ways for the immune system to sense foreign invaders, and react to the threats they may pose. But ...

While humans have an esthetic liking for symmetry in everything, nature prefers asymmetric, single-handed forms when it comes to amino acids—the building blocks of proteins, and, by extension, all ...