The United States is estimated to have spent more than $400 billion on the kinds of antimissile goals that the president now ...

Politics / Coming to terms with this reality will allow us to strengthen and maximize the full power and potential of our ...

President Donald Trump said he will impose tariffs of 25% on exports to the United States and 10% from Canada.

Seymour, who published her findings in the International Journal of Historical Archaeology last month, said the cannon is the oldest firearm that’s been found in the continental United States.

Other sections of this part of the country are prone to earthquakes, but can expect fewer quakes of smaller magnitude. Below is a map showing the risk of damage by earthquakes for the continental ...

Spanning the continental United States and parts of Canada and Mexico, the simulation tracks the flow of groundwater and measures the vast distances and depths it travels before discharging into ...