Reproductive rights are a hot button issue this election year. The state of Texas now requires women to undergo vaginal ultrasounds before having abortions, and the Susan G. Komen foundation came ...

If the idea of living robots made out of frog cells isn't quite weird enough for you, how about living robots made out of frog cells with the ability to reproduce? These first-of-a-kind "Xenobots" are ...

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health ...

Live mouse progeny can be generated with assisted reproduction using germ cells from males without any Y chromosome genes. In these males, the two Y genes previously demonstrated to be essential for ...

For the first time, scientists said Thursday that they had bred mice with two genetic fathers, steering around biological hurdles that would otherwise prevent same-sex parents from having offspring.

We are at a critical time and supporting science journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen scientific ...

Which group of mammals has the more 'primitive' reproductive strategy -- marsupials, with their short gestation periods, or humans and other placental mammals, which have long gestation periods? For ...