Scientists produce artificial early-stage human embryos from stem cells that lack an egg or sperm.
Scientists have succeeded in doing an end run around eggs and sperm…
Soldiers from Ukraine save sperm in case they pass away while battling Russia.
Ukrainian soldiers headed off to battle are trying to ensure the survival…
Lesbian mother loses her wife and parental rights to the child’s sperm donor.
The boy’s biological mother and sperm donor, who are now dating, are…