What if wormholes were never cosmic tunnels at all? New research suggests Einstein and Rosen’s famous “bridge” may actually reveal something even stranger: time itself could flow in two directions at ...

Anencephaly is a type of neural tube defect. During pregnancy, your baby's brain and spine start to form as a flat disk of cells. This flat disk rolls into a tube-like structure called the neural tube ...

Children develop at different paces, but the average birth weight of a full-term male baby is 3.3 kilograms (kg) and 3.2 kg for a female. Growth charts can provide a guide to the average weight of a ...

In 1955, one year after the United States tested a hydrogen bomb 1,000 times more powerful than the bomb used on Hiroshima, an international group of scientists warned that “H-bombs might quite ...