Identifying the sex of animals can be difficult at first glance, depending on the species and their appearance. Lizards, ...

For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to be costly. Scientists tracked metabolism, blood, and hormone levels ...

Data analysis reveals a stable, cross-cohort female cancer mortality excess at ages 35-60, contrasting with female advantages in cardiovascular and external-cause mortality. Breast cancer drives the ...

On April 5 and 6, over 300 people gathered to discuss reproductive issues at the Collective Power for Reproductive Justice conference at Hampshire College. The conference featured lectures and ...

Protestors in Montgomery, Ala., rally against the state's recently passed anti-abortion legislation May 19, 2019 in Montgomery, Alabama. (Julie Bennett/Getty Images) More broadly, reproductive justice ...

Sharks play a critical role in maintaining the balance of ocean ecosystems. Whether they’re top predators or mesopredators, their presence helps regulate populations of prey species and support the ...