A lack of new babies for endangered Northern Atlantic right whales makes their future even more uncertain.
Pesticide residue on fruits and vegetables may hurt women's fertility, a new study suggests.
Female killer whales reproduce between the ages of 12 and 40 years but can survive into their 90s.
A woman in Arizona who was born without a vagina — the result of a rare condition — is speaking out about her condition.
In a surprising case, a drug that is normally toxic to ovaries actually helped one woman get pregnant.
Diatoms, long thought to reproduce asexually, do engage in sexual reproduction, with ammonium acting as an aphrodisiac.
Scientists are still trying to make sense of something extremely weird that happened between a pair of Ambystoma salamanders millions of years ago.
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