Add Yahoo as a preferred source to see more of our stories on Google. Nancy Guthrie, the mother of Today Show host Savannah Guthrie was last seen at 9:30 p.m. on Saturday, Jan. 31. After the ...

Our DNA is arranged into chromosomes that carry a kind of protective shield at their ends, called telomeres. These protective caps are crucial to the stability of chromosomes, and when telomeres ...

Not all DNA looks like the familiar double helix. Sometimes, parts of our genetic code fold into unusual shapes under certain conditions. One such structure known as a G-quadruplex (G4) looks like a ...

Genome editing-based therapies typically aim to treat disease by correcting underlying genetic mutations in patient's cells.