Mary Louise Kelly

Should the U.S. retaliate for cyberattacks? Options range from sanctions to indictments to a counterattack to nothing. Lawmakers and security experts say there are pros and cons to each approach.

Software code associated with the kind of cyber-surveillance conducted by the National Security Agency has appeared online. This is raising questions about whether the NSA has been hacked. It would be the latest act in this summer's cyber-drama involving compromises to the Democratic National Committee, U.S. leaders and others.

A U.S. nuclear engineer is accused of spying for China. Chinese economic espionage costs the U.S. billions each year. The case raises questions about whether Chinese-Americans are unfairly targeted.

Nick Rasmussen, director of the National Counterterrorism Center, says progress against the Islamic State may be slow to affect the terror attacks plaguing the West.

For generations, Roslyakovo was a secret city with restricted access, even for Russians. The shipbuilding center was a place to work on military technology, and also a perfect place to hide things.

Cybersecurity experts say some evidence points to Russia in a series of hacks on the Democratic Party. Russian officials and Donald Trump both weighed in on the recent hacks as well.

Donald Trump on Wednesday called for Russia to hack Hillary Clinton's email and recover messages from her tenure as secretary of state.

Journalists, dissidents, human rights workers all tell stories of being followed and harassed by Russia's security services. They range from the comical to the frightening.

What evidence ties Russia's intelligence services to the theft and release of the internal emails of Democratic Party officials? And how would the public release those messages serve Moscow?

The recent series of major terror attacks — from Orlando to Istanbul to Nice — have exposed some uncomfortable truths about the limits of counterterrorism.

Soviet-era movie stars, cosmonauts and, yes, intelligence agents once socialized at Aragvi over chicken tabaka and Georgian wine. Now the restaurant has reopened for regular diners.

Gennady Gudkov was recruited by the KGB 35 years ago. He later emerged as one of the Russian parliament's most vocal Putin critics. The Kremlin has been trying to crush him ever since.

Melting Arctic ice is giving Russia new shipping routes and access to oil. They're also building up militarily, in what could be the next crisis zone between Russia and the West.

It's been three years since Edward Snowden landed at Moscow's Sheremetyevo Airport and began a new life in exile. NPR has an update on his strange tenure in Russia.

A bombing attack on an airport in Istanbul, Turkey, has left at least 28 people dead and many more wounded.

Turkish authorities say 10 people were killed and many more wounded in a bombing at Istanbul's airport on Tuesday.

Vyacheslav Trubnikov was a Soviet and Russian spy for more than three decades. He found some of his American adversaries worthy rivals. Others, not so much.

A new Cold War is brewing in the Arctic as Russia looks north from its remote port of Murmansk at a new era of dominance in a polar region opening up because of melting sea ice.

Russia on Thursday launched the new, nuclear powered icebreaker Arktika in St Petersburg. It shows Russia's ambitions to control the top of the world in the 21st century.

In St. Petersburg on Thursday morning, Russia will float the world's biggest and most powerful icebreaker. The Arktika is the length of two football fields, can break through ice 13 feet deep, features not one but two nuclear reactors, and is an unmistakable signal of Russia's intent to challenge America's global military dominance.