Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

More than four decades after a teenager was murdered in California, DNA found on a discarded cigarette has helped authorities catch her killer. Sarah Geer, 13, was last seen leaving her friend’s ...

Although DNA evidence collected in the Nancy Guthrie investigation has yet to yield matches, law enforcement is still bracing for results that could expose cracks in the southern Arizona case ...

TUCSON, Ariz. – DNA found on a glove near Nancy Guthrie's home as well as inside her residence didn't produce a match in an FBI database, Pima County Sheriff Chris Nanos said. During an interview with ...

The mystery DNA found on a potentially crucial glove found near Nancy Guthrie’s Arizona home — as well as other genetic material in her house — do not match any records in the FBI’s database, ...

TUCSON, Ariz. — As the Nancy Guthrie case enters week three, investigators and the public are awaiting potentially pivotal DNA results tied to a glove recovered near the scene. But according to ...

In 1869, Swiss scientist Friedrich Miescher isolated a mysterious substance from cell nuclei—an overlooked finding that would later reshape biology and our understanding of life itself. A ...

Every time a cell divides, it must copy its entire genome so that each daughter cell inherits a complete set of DNA. During that process, enzymes known as polymerases race along the DNA to copy its ...

DNA doesn’t just sit still inside our cells — it folds, loops, and rearranges in ways that shape how genes behave. Researchers have now mapped this hidden architecture in unprecedented detail, showing ...

In a first, scientists have extracted DNA from a Renaissance-era drawing attributed to Leonardo da Vinci, but they can't be sure that the genetic material belongs to the Italian polymath. When you ...

In a new take on a technology from the 1960s, this year, researchers created a cassette tape that uses DNA instead of iron oxide to encode information on a plastic tape. It can hold a phenomenal ...