Greg Myre

Where exactly did the coronavirus first emerge? Months after it erupted in central China, this question remains a mystery. U.S. intelligence teams working to make their own assessments.

A video showing a long line of Marines, standing close together while waiting for haircuts, has sparked questions about what's more important: military discipline or social distancing?

So far, the coronavirus has hit hardest in the wealthy countries of Asia, Europe and the U.S. But the pandemic appears poised to explode in the developing world — which has far fewer resources.

The United States-China relationship is often described as the most important global relationship of the 21st century. The coronavirus pandemic has highlighted the fraught nature of these ties.

City by city, state by state, restrictive measures to prevent the spread of the Coronavirus are increasing by the hour. So what's voluntary and what's mandatory? And how will all this be enforced?

After being removed from power in 2001, the Taliban signed a peace deal with the U.S. last month. A look at the origins of the group whose political fortunes seem to have come full circle.

The strikes were "defensive, proportional and in direct response to the threat posed by Iranian-backed Shia militia groups," Pentagon officials said on Thursday.

The U.S. military says it has carried out airstrikes in Iraq against a militia group backed by Iran — one it blames for a rocket attack on a base that killed one British and two U.S. service members.

The Earth's entire land mass is being photographed by satellites every single day. Trying to make sense of all these images falls to a U.S. spy agency many have never heard of.

President Trump tweeted Friday that he is nominating Rep. John Ratcliffe, R-Texas, to be director of national intelligence. Ratcliffe was first nominated last July but withdrew amid controversy.

The U.S. intelligence community is warning about Russian interference in the November election. That's touched off a new round of battles between President Trump and Democrats.

President Trump named Richard Grenell, the U.S. Ambassador to Germany, to be the nation's acting top spy chief. Grenell lacks intelligence experience, and his selection is controversial.

President Trump has named Ambassador to Germany Richard Grenell as the new acting director of national intelligence.

The acting director of national intelligence is required by law to step down by next month. Rep. Chris Stewart, R-Utah, is said to be a contender. Where does that leave acting director Joseph Maguire?

In U.S. national security, one foreign company sets off alarm bells like no other: Huawei, the telecom giant. The Chinese firm just received a green light to help build Britain's 5G cellular network.

U.S. cybersecurity firms are making headlines with reports of online attacks by Russia and other foreign actors. Why are tech companies taking the lead, rather than the U.S. government?

If you want to trace the history of U.S.-Iran tensions, you would have to go back decades. But the roots of the latest escalation can be found in a series of developments over the past two years.

President Trump's major foreign policy aims have included curbing the nuclear programs of North Korea and Iran. With North Korea, he's tried carrots; with Iran, sticks. Neither one is working.

What is the political fallout from the overnight missile launch from Iran into Iraq? President Trump addressed the country on Wednesday.

The Pentagon says Iran fired more than a dozen ballistic missiles at bases in Iraq where U.S. troops are based.