Ukraine's monumental efforts to rebuild in Ir...

CEOs of leading AI companies are jointly calling for a slowdown, as developers fear they could lose control of their own powerful technology. Leading the charge is Anthropic head Dario Amodei, who warns that building the systems too fast is "reckless." Is AI an existential threat ...  Show more

Twenty-five years after the September 11th attacks, Christiane looks back at the day that changed America and reshaped the world. Former U.S. Ambassador to NATO Nicholas Burns reflects on the global solidarity that followed 9/11 and the wars and upheaval that came next. Then, as ...  Show more

Russian troops are attacking Ukraine from the north, east and south and bombing is ramping up in Kyiv. Ukraine's President Volodymyr Zelensky is rallying his citizens to take up arms and defend the country as officials say Russian troops are facing logistical problems and low mor ...  Show more

For months, the war in Ukraine was about territory as both sides fought to control areas in the country’s south and east.

In recent weeks, the war has taken a new turn.

Mounting attacks on civilian infrastructure have left people across Ukraine without power, heat ...

A quarter of a million people now participate in regular cyber attacks against Russia. We hear from one of the volunteers, Oleksandr Naumenko. And also from US-Russian cybersecurity expert Dmitri Alperovitch. BBC Ukrainian service reporter Olga Malchevska recalls a recent visit t ...  Show more

Russia has caused unprecedented damage in Ukraine. And with no diplomatic end in sight to the conflict, many Ukrainians are wondering when, if ever, they will be able to go back to their homes. According to many experts, the answer is actually sooner rather than later. Can recons ...  Show more