For decades, Germany's major cities - all cities with more than 100,000 inhabitants, from Salzgitter to Berlin - attracted people from the countryside. But data show that the trend has reversed....

The UK government has invested in high-tech surveillance for the English Channel. But as the number of small boats arriving on UK shores continues to rise, it’s not clear whether this expensive AI...

North Korea has made steady progress in expanding its missile programme, developing weapons that can strike across the globe - or hit critical targets closer to home. New records were set for its...