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 ...

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💡 ...

A new candidate has emerged in the quest for a male birth control pill. Researchers at Baylor College of Medicine, Houston, developed a contraceptive that was 100% effective at reducing fertility in ...

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 ...

A novel, non-hormonal reversible contraceptive for men appears to be effective in mice, based on the results of a study sponsored by biological analysis company Promega. Reporting May 23 in Science, ...