A little stickleback fish (Gasterosteus aculeatus) nicknamed "Mary" appears to have leaped across a major reproductive divide on the evolutionary tree of life. Stickleback females, like most female ...

WASHINGTON – Your birth control pill is affecting more than just your body. Flushed down toilets, poured down sinks and excreted in urine, a chemical component in the pill wafts into sewage systems ...

Male fish are turning into females thanks to chemicals from birth control pills and makeup being flushed down drains, according to a new study. The study of freshwater fish in Britain found a fifth of ...

Some fish lay eggs, others give birth directly to tiny wiggly babies. According to a new Nature Communications study, giving birth to live young increased the diversity of ray-finned fishes like ...

(CBS SF) – Newly-released research from U.S. government scientists found a chemical in birth control pills and the chemical BPA affects the fertility of fish. These chemicals often end up in waterways ...