German defence start-up Helsing has raised 600 million euros ($693.30 million) in its latest investment round, lead by ...

David Ek, co-founder and CEO of Spotify, has invested more than €600 million (around $640 million) in Helsing—a German ...

As AI chatbots spread throughout American life — from personal assistants to romantic partners — one of the biggest puzzles is what to do when they misbehave. They’re famous for making things up, or ...