Scientists may have found a clue to one of the biggest mysteries surrounding the origin of life: how fragile RNA molecules could gather and survive before cells existed. New research shows that RNA is ...

Researchers at the Federal University of São Paulo (UNIFESP) in Brazil have discovered that SARS-CoV-2, the virus that causes COVID-19, uses a sophisticated tactic to evade the human body’s defense ...

RNA and DNA are chemical cousins. But one tiny difference between them (an extra oxygen atom repeated along RNA’s backbone) can radically change how the molecules behave. Researchers have now found ...