For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

Researchers have uncovered how successful chromosome segregation during sexual reproduction is achieved in plants. The ...

An increasing number of people are opening up to the idea that humanity’s survival is tied to our ability to become a multi-planetary species. But for this to become a reality, countless technological ...

The peppered moth is an iconic example of Charles Darwin’s theory of evolution by natural selection. For centuries peppered moths (Biston betularia) were common in the forests around Manchester, ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

International Space Station astronaut Peggy Whitson, Ph.D.: We do a lot of interesting science on the International Space Station, but the experiments for me that are the most fun are the ones where I ...

In a lab in Japan, scientists transformed cells from the tails of male mice into eggs. They fertilized the eggs with ordinary mouse sperm and implanted them in surrogate mouse moms. The experiment was ...