A growing measles outbreak in Texas, where one unvaccinated child died and nearly 20 others have been hospitalized with serious complications, marks the first major test for U.S. Health Secretary ...

Measles is a highly contagious, infectious disease that can spread easily among people who have not been vaccinated.

But startling research about the virus unfortunately tells a new and very different story, recasting what was previously ...

Why archaeologists are increasingly leaving historic sites untouched until we have less destructive technologies for studying ...