Researchers are reporting that an existing drug can roll back key signs of Alzheimer’s disease in mice, restoring memory performance and easing brain pathology in animals that already show symptoms.

In a lab far from the woolly mammoth’s icy plains, researchers from Colossal Biosciences have successfully brought a tiny “woolly mouse” to life. Here’s what it could mean for de-extinction. A tiny, ...

A female mouse from China's Tiangong Space Station has given birth to 28 pups across three healthy litters since her return, ...