Mifepristone is under attack by abortion opponents, with several states seeking in federal court to restrict its use.

Towana Looney's vibrant recovery is a morale boost in the quest to make animal-to-human transplants a reality.

The firings were carried out without giving Congress 30-day notices — something even a top Republican said violated the law.

The size of human beings has increased over the past century thanks to better health and nutrition — but this change has not ...