FOR many couples, the inability to conceive is not only a medical condition but also a deeply emotional and social burden. In Tanzania, where parenthood is closely tied to identity, marriage stability ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

Before scientists even knew how many Florida scrub millipedes were left in the wild, a quiet breakthrough happened in a University of South Florida lab. The rare, giant millipedes reproduced in ...