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 ...

Among pregnant women at high risk of preterm birth, those who eat fish a few times a week may be less likely to deliver early, a new study finds. Whether fish itself helps prevent preterm delivery is ...

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 ...

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 ...