Onkalo, on the Finnish island of Olkiluoto, is planned to be the first geologic storage facility for high-level nuclear waste: eventually sealed for 100,000 years. I got to see inside.

Ukraine's Prime Minister is visiting Berlin, after months of frosty relations with Germany. Denys Shmyhal is meeting with Chancellor Olaf Sholz and other officials to push for heavy weapons from Berlin. Shmyhal has offered to send Germany more electricity...

At least one person was killed and several others wounded as powerful explosions rocked a Russian air base in Crimea. Russia’s Defense Ministry denied the base had been shelled and said instead that munitions had blown up there. But Ukrainian social netwo...