From al-Qaida to the Upper East Side: Syria's new leader steps onto the global stage.
Research shows a sharp increase in cases where AI systems slip out of users' control.
A group is encouraging people to see cigarette butts as a way to get free food—turning litter into a chance to rethink waste.
Czech Prime Minister-elect, aligned with Trump's politics, declines to divest his business holdings despite conflict-of-interest concerns.
The Middle East conflict: maps, videos, and photos
A war foretold: How the CIA and MI6 uncovered Putin's plans for Ukraine, and why no one believed them.
British RAF Typhoon jets were sent up to respond to a Russian drone that was approaching Nato airspace.
The art of doing nothing: how to master the joy of idling
Cyprus has pledged a fresh approach as it takes over the rotating presidency of the European Union.
Czechs start voting in an election that might bring a populist leader back to power.