A mouse-trap story had an unusual happy ending when a momma mouse gave birth to babies inside. Footage here, filmed by Jarne De Maeyer, shows the mouse in the “humane” trap with her newborn babies. De ...

On October 31, four mice aboard China’s Shenzhou-21 spacecraft set forth on a two-week journey into space, about 250 miles above Earth, at the Tiangong Space Station. On November 14, when they ...

Frozen mice stem cells that were aboard the ISS for six months can produce healthy offspring. By Laura Baisas Published Aug 15, 2025 11:00 AM EDT Get the Popular Science daily newsletter💡 ...

WARSAW, Poland — A zoo in Poland says it's the first to have captured on video the birth of a rare Philippine mouse-deer, and everyone's hoping it’s a male so it can help the endangered species breed.

Following a 14-day mission aboard China’s space station, a female mouse has successfully delivered a litter of nine healthy pups back on Earth. The birth marks a major victory for space biology. As ...

Pregnancy brings a rise in pancreatic beta cells -- the cells that produce insulin. Shortly after birth, these cells return to their normal levels. The mechanisms behind this process had remained a ...