DNA is more than just a code—it’s a beautifully precise molecular structure that holds life’s instructions. Understanding its building blocks, base pairing rules, and replication fidelity helps us ...

From proofreading polymerases to complex backup repair systems, DNA repair is a high-yield MCAT topic that bridges molecular biology and human health. Understanding the mechanisms that safeguard ...

The FBI has received DNA evidence recovered from the Tucson, Arizona, home of Nancy Guthrie, including test results from a hair sample, sources familiar with the investigation told Fox News Digital. A ...

The closest-ever detailed look at a key enzyme inside the virus that causes COVID-19 could lead to more effective treatment ...

Robert Covington was arrested in Illinois, is charged with homicide in the Southfield case. Deborah Kennedy worked at the General Motors Technical Center in Warren. Southfield police reopened the cold ...

Ryan Kelly is in awe of what floats invisibly in the air. “It is completely mind-blowing,” says Kelly, who studies environmental DNA (eDNA) at the University of Washington in Seattle. “We are ...

In late February, Pima County Sheriff Chris Nanos said DNA found at Guthrie’s Tucson, Arizona, home was “mixed,” meaning samples have genetic material from more than one person. Subsequently, ...

The FBI recently received and is now analyzing potentially critical DNA recovered months ago from the Tucson, Arizona, home of Nancy Guthrie, sources familiar with the investigation told ABC News.

A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.

On his son’s fourth birthday, Michael Prescott had his first heart attack. Prescott, who worked as a civil engineer designing bridges in Tennessee, was in his 30s, and until that day, he had appeared ...

A Washington man has pleaded guilty in connection with two decades-old cold cases after investigators reportedly linked him to both crimes using a clever ruse and just a piece of gum. Mitchell Gaff, ...