Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Motherhood is entirely possible at the age 74—for some birds at ...

In the animal kingdom, reproduction is a necessary part of species survival. Parthenogenesis, a form of asexual reproduction where embryos develop from unfertilized eggs, has been observed in captive ...

Blocking reproduction through contraception or sterilization increases lifespan in both male and female mammals across more ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

How do animals decide when to fight and when to walk, fly, slither, or swim away? Most research on animal conflict has focused on the short-term costs of single interactions, but a pair of behavioral ...