Scientists discovered ribose — in addition to “all five nucleobases used to construct both DNA and RNA” — on asteroid Bennu, ...

All cells need to sense and respond to their environment, to know when to activate genes, build proteins, and carry out their ...

Scientists have sequenced RNA from a nearly 40,000-year-old woolly mammoth leg, the oldest ancient RNA ever recovered. These ...

"I'm becoming much more optimistic that we may be able to find life beyond Earth, even in our own solar system." ...