While high BMI risks are widely discussed, being underweight can also disrupt fertility. Experts explain how low body fat affects hormones, ovulation, sperm health, and pregnancy outcomes, and what sc ...

Prehistoric animals are often pictured as distant fossils, yet a surprising number of species still walk, swim, and crawl across Earth with body plans that echo deep time. Strictly speaking, ...

"Yeah, they might hate me, but I saved a child," says a person who called CPS on a religious family they knew. It might be ...