Instead, a study of 13 cloned sheep found no signs of early aging or other health problems, researchers report July 26 in Nature Communications. “These animals were remarkably healthy and fall ...

one sheep year is about eight human ones, so the Dollies are aging normally through the equivalent of 70 or so birthdays. (The Dollies, who will continue to be studied, are considered a legacy to ...

The young lady from Dripping Springs, Texas, joins the 66-year-old Grand Slam Club/Ovis after successfully harvesting four different North American sheep species—the desert bighorn, the Dall, the ...