Many web sites, social media services, and other platforms require age verification on the theory that it will protect kids from seeing inappropriate content. But now some US states want to require ...

Childbirth is excruciatingly painful because a baby’s relatively large head passes through a woman's narrow pelvis. A tight limit on head size explains why more brain growth occurs after birth and why ...

President Donald Trump launched Saturday’s wide-ranging attack on Iran after a weeks-long lobbying effort by an unusual pair of U.S. allies in the Middle East — Israel and Saudi Arabia — according to ...