Add Yahoo as a preferred source to see more of our stories on Google. Scientists reveal potential hurdles for extraterrestrial human reproduction. Here, sunlight illuminates the lower right of planet ...

As plans for long-term missions to the Moon and Mars move forward, scientists are studying a question that once seemed confined to science fiction: Could humans reproduce beyond Earth? Reproductive ...

China sent synthetic human embryos to its space station this month, the first experiment of its kind. The goal is to determine whether one of the earliest stages of human development can withstand ...

One of the most fascinating abilities some animals have is the power to clone themselves to reproduce. Imagine if humans ...