America's once-cherished role as a force of stability and order has gone up in smoke in the Middle East. After just two weeks of war in Iran, it is clear that the world has changed for good.

The attacks come at night. But once the sun comes up, daily life continues. After four years of war, the Ukrainian capital of Kyiv remains defiant. Where does the city's strength come from?

In December, Australia became the first country in the world to enact a social media ban for children under 16. Lawmakers around the world are interested in following suit. But is it actually working?

The Cold War? Child's play compared to what lies ahead, according to U.S. historian Robert Kagan. Trump, he says, is leading the world into the most dangerous era since 1945.

The rapid rise of artificial intelligence is just as dangerous as the invention of nuclear weapons. AI pioneers are warning that the technology must be brought under control while it's still possible.

In 2022, a Ukrainian commando blew up the Nord Stream natural gas pipeline. DER SPIEGEL has learned that the CIA may have spoken to the saboteurs during the planning stage.