Icebreakers provide assured United States access and presence to the polar regions, the U.S. Coast Guard said.

The policy aims to restrict citizens from certain countries from visiting the United States, with some exceptions ...

Severe thunderstorms threaten central US states with tornadoes, flooding and large hail through midweek. Multiple rounds of ...

President Trump expanded his first term’s travel ban to include more countries to protect the U.S. from national security and terrorism concerns.

Several states across the American landscape were expected Monday to see and feel the effects of smoke that has billowed ...

Wildfires prompt mass evacuations in three Canadian provinces, while thick smoke worsens air quality across US border regions ...