Breast cancer is one of the most common cancers among women in the United States. Thanks to decades of fundamental research, it's also one of the most curable. The exception is a particularly ...

Scientists at the University of Pittsburgh, together with colleagues at the University of Pittsburgh School of Medicine and University of Pittsburgh Cancer Institute, have identified how a long ...

Although there are striking differences between the cells that make up your eyes, kidneys, brain and toes, the DNA blueprint for these cells is essentially the same. Where do those differences come ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. In 1957, just four years after Francis Crick and other scientists solved the riddle of ...

How life begins remains an unsolved question. One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they have shown how it could have ...