Analysis - Malaria remains one of the world's most devastating infectious diseases, claiming more than half a million lives each year. In Africa, the illness is mostly caused by a parasite carried by ...

With the advent of commercial spaceflight, an increasing number of people may be heading into space in the coming years. Some ...

There’s never a good time to get a cold. But when your to-do list is a mile long and your calendar is full of gatherings with loved ones, getting sidelined by a virus is the last thing you need. So ...