President Trump waving from Air Force One (© AP Images)

President Trump in Asia, live

President Trump travels to East Asia November 5–14 to strengthen economic and security ties. Check here often for updates on his trip.
Illustration of someone cutting puppet strings connected to globe (State Dept./D. Thompson)

Sovereignty: What it means and what it doesn’t

When President Trump speaks of sovereignty, he means something very specific that lies at the heart of America's democracy.
Shoreline covered with plastic soda bottles (Shutterstock)

Tide turns against plastic ocean pollution

From the deep sea to Arctic ice, oceans are under enormous stress from millions of tons of plastic trash, which can remain in the environment for centuries.
Illustration of people carrying North-Korea-flag-labeled suitcases and walking on globe toward North Korea (State Dept./D. Thompson)

More countries expel North Korean diplomats

Countries around the world are expelling North Korea's ambassadors and cutting ties after its reckless nuclear provocations.
Smart city with smart services and icons, internet of things, networks and augmented reality concept (State Dept./S. Gemeny Wilkinson )

Why is America concerned about 5G?

5G technologies will provide the backbone for future economies. That's why it's imperative to protect 5G from untrustworthy companies and countries.
Open water (© National Geographic Creative/Alamy)

Who’s in charge here?

Modern maritime law grew out of a big question: How much should a state control beyond its coasts? States control a narrow band of territorial waters; international waters belong to no one.

Everything you wanted to know about trolls but were afraid to...

In the information age, the Internet can be a battlefield. Former Internet trolls reveal the inner workings of Russia's Internet Research Agency.
Military ships sailing in formation (DOD/U.S. Navy Petty Officer 3rd Class Leon Wong)

U.S. and India: Steadfast partners

India holds more military exercises with the U.S. than any other partner. Improving this close military relationship will be on the agenda when ministers from both countries meet in New Delhi.
Illustration of figure plugging in to giant outlet (State Dept./Doug Thompson)

What is the power grid and how does it work?

Did you know you are looking at part of the power grid every time you see power transmission lines? How does renewable energy become part of the grid?