A small brown mouse has just done something no mammal has ever done before: give birth on Earth after spending part of its reproductive cycle in orbit. It sounds like a quirky space trivia item, but ...

For decades, Alzheimer’s disease has been framed as a one‑way slide, with treatments aiming only to slow the descent. Now a cluster of animal studies is challenging that assumption, showing that ...

A female mouse from China's Tiangong Space Station has given birth to 28 pups across three healthy litters since her return, each exceeding normal sizes and adapting faster to Earth.

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, ...