The same amino acid can be encoded by anywhere from one to six different strings of letters in the genetic code. Andrzej Wojcicki/Science Photo Library via Getty Images Nearly all life, from bacteria ...

The DNA of nearly all life on Earth contains many redundancies, and scientists have long wondered whether these redundancies served a purpose or if they were just leftovers from evolutionary processes ...

In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do. By Carl Zimmer At the heart of all life is a code.

Researchers have analyzed a sample of DNA believed to belong to Adolf Hitler, which they say reveals the dictator of Nazi Germany had a genetic marker for a rare disorder that can delay puberty, ...

According to a new British documentary, analysis of Hitler's DNA proves a rare sexual disorder and high risk of mental illness. But linking his behavior to genetics is problematic. Eighty years after ...