Alan Cullison

U.S. officials think Tehran is exercising restraint amid negotiations, but a breakthrough continues to appear elusive.

Pavel Durov had lunch with the French president six years ago. His phone was hacked the previous year by French and UAE spies.

With clock running down ahead of November elections, the administration is weighing loosening restrictions on Kyiv’s strikes in Russian territory.

Eric Adams traded business-class tickets and illicit campaign funds for political favors, prosecutors allege.

Even murder and terrorist plots are often discussed publicly on the app, giving authorities critical leads.

Even murder and terrorist plots are often discussed publicly on the app, giving authorities critical leads.

Warm words between President-elect Donald Trump and Vladimir Putin don't necessarily signal a thaw in relations between the U.S. and Russia.

Cyber and energy security are priorities for the alliance's new leader, as member nations share more intelligence to protect critical infrastructure.

Authorities have warned of potential assaults by affiliates of Islamic State

Retired General Keith Kellogg has a plan for ending the war, but the president will control the talks.