Facing China's military threat, particularly its navy, the U.S. has developed the Typhon Mid-Range Capability system, a ...

The map shows PFAS chemicals linked to cancer in rivers and drinking water sources; experts warn of persistent risks.

A minor, 3.3-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological ...

Search for current childhood vaccination rates in thousands of counties across the U.S. and see how these figures have ...

Toxic air isn't spread evenly across the U.S. — some communities are being forced to shoulder the worst of it. A new map is ...

President Donald Trump said the U.S. military on Monday again targeted a boat allegedly carrying drugs from Venezuela, ...