Ethiopia has declared an outbreak of acute watery diarrhea, also known as AWD, in the country’s Somali region, where people are already struggling to cope with a persistent drought. Dr. …

The World Health Organization Friday marked World Health Day with the warning that depression is the most common cause of ill health, affecting some 300 million people worldwide. The U.N. …

We have radars to track flying objects, but a tiny fly may be even better at tracking and grabbing fast moving prey. Scientists at the University of Cambridge learned that …

The U.S. Air Force is open to buying rides on previously flown SpaceX rockets to put military satellites into orbit, a move expected to cut launch costs for the Pentagon, …