Add Yahoo as a preferred source to see more of our stories on Google. The surprise pregnancy of Charlotte, a stingray living in a tank without any male rays, has captivated people across the world and ...

Scientists are getting closer to solving the mystery of parthenogenesis, or virgin birth, in the flowerpot snake - a tiny, sightless reptile whose entire species is female. In a study published last ...

SAN FRANCISCO -- Snails, fleas and on very rare occasions sharks have been known to give birth in the wild without the aid of sperm. It's called parthenogenesis -- Greek for "virgin birth." Now a few ...