What made ribose the sugar of choice for life's code? Scientists at Scripps Research may have cracked a major part of this ...

Inside each cell of the human body are proteins that control which genes are expressed at the right place and time. However, ...

In living organisms today, complex molecules like RNA and DNA are constructed with the help of enzymes. So how did these molecules form before life (and enzymes) existed? Why did some molecules end up ...

In living organisms today, complex molecules like RNA and DNA are constructed with the help of enzymes. So how did these ...

When environmental stress harms DNA, it can set off a cascade of failures linked to heart conditions, neurodegeneration, and ...

What if mRNA vaccines could be made more powerful and less irritating? Scientists at the University of Pennsylvania have found a way to do just that—by tweaking a key molecule in the vaccine’s ...