Retroviruses are viruses that have evolved the ability to write their genetic code into a cell's own DNA. The most ancient ...

Scientists have shown that in one in every 4,000 births, some of the genetic code from our mitochondria – the ‘batteries’ that power our cells – inserts itself into our DNA, revealing a surprising new ...

The genetic code acts as life’s instruction manual, telling cells how to build proteins from DNA and RNA. Though it's a marvel of molecular precision, the path it took to evolve remains unclear. Fresh ...