A new study has analyzed mummified remains of cheetahs in Saudi Arabia caves. The results could help reintroduce cheetahs to the Arabian Peninsula, researchers say.

DNA is the blueprint of life. Genes encode proteins and serve as the body's basic components. However, building a functioning organism also requires precise instructions about when, where, and how much those components should be produced.

"How is this guy a Pit Bull????” the dog owner said in a viral Threads post.

As the search for Nancy Guthrie extends into day 20, investigators are now turning to a technique called genetic genealogy to find those responsible for her disappearance.

A man was convicted this month in the murder of a 13-year-old girl in 1982.

For the first time, researchers have succeeded in developing an artificial DNA base pair that is based on a different chemical force than natural genetic material. While the common natural DNA building blocks are held together by hydrogen bonds,

Investigators continued following leads after DNA evidence from gloves believed to have been worn by Nancy Guthrie's abductor didn't yield results.

You follow the thread of a case that sat cold for nearly three decades and feel the moment the silence breaks. Investigators used updated DNA methods and persistent detective work to connect evidence from 1994 to a living suspect,