Washington has seen 11 confirmed measles cases this year, almost all of which were tied to international travel, according to the state's health department.

Afraid you may have been exposed to measles? Washington’s Department of Health is launching an online tracker showing locations where people with the disease visited.

For most of human history, monsters were repugnant aberrations, breaches of the natural and moral order. What’s behind our ...

In the winter of 1812, Napoleon’s Grande Armée met its most devastating enemy—not the Russian army, but biology itself. As ...