Airplanes on runways (AP Images)

3 reasons why the U.S. hasn’t restricted flights to and from...

Despite the worst Ebola outbreak in history in West Africa, U.S. officials vow to continue airline flights from West Africa. Learn three reasons why.
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.
Children on parade float in front of Eiffel Tower replica (State Dept./D.A. Peterson

A Virginia city parades its support for NATO

The NATO Parade of Nations steps off each spring through the streets not of Brussels — NATO’s headquarters — but Norfolk, Virginia, a historic naval town.
Black-and-white dog overlooking bighorn sheep in mountain meadow (NPS/A.W. Biel)

‘Bark ranger’ helps park rangers keep animals and people safe

Gracie the border collie brings a special skill set to Glacier National Park: keeping the wildlife living in the park safe from their visitors.
NATO flag waving (Shutterstock)

NATO membership open for countries that share democratic, free-market values [video]

NATO membership has its benefits, like a general rise in GDP, but it requires a shared belief in democracy, a free economy and a unanimous vote.

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.
The Ebola virus under a microscope

The facts about Ebola: What you need to know

These are the key facts about Ebola you need to know to help stop the deadliest outbreak in history from spreading — and to support the relief effort.
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.
Large conference room filled with people surrounding circular table (© Reuters/Jim Young)

Learn about NATO in 3 minutes by watching these videos

Leaders of the 28 countries that make up NATO will meet in Brussels on May 25. Learn about the Alliance and how it works.