A planning committee of the National Academies of Sciences, Engineering, and Medicine will convene a public workshop exploring scientific, ethical, and regulatory implications associated with the ...

In humans, conception begins when a sperm fertilises ... The function of the male reproductive system is to produce sperm cells - male gametes - and release them inside a female.

Right now, space travel is limited to trained astronauts and cosmonauts, and the super-wealthy. This means there is little ...