A new study reversed transplant rejection twice, uncovering the reasons for transplant rejection on a cellular level ...

In A Nutshell • A pig kidney with just one genetic modification functioned in a human for 61 days before being removed as ...

A pig has tested positive for H5N1 bird flu in a backyard farm in Oregon. Pigs can host both bird and human flu viruses, which can make them a dangerous "mixing bowl." Flu season can also heighten the ...

Tim Andrews, 67, had the organ removed on Oct. 23 because of its declining function, according to Mass General Brigham.

Across the planet, animals are increasingly suffering from chronic illnesses once seen only in humans. Cats, dogs, cows, and ...

Researchers have uncovered and then overcome an obstacle that has led to the failure of pioneering efforts in ...

Researchers have reported growing hearts containing human cells in pig embryos for the first time. The embryos survived for 21 days, and in that time their tiny hearts started beating. The findings ...

From dogs and cats to dairy cows and sea turtles, animals around the world are suffering from various cancers, obesity, ...