No matter how you feel about nuclear energy, nuclear waste is generally something you want to stay as far away from as possible—unless you’re two villages on the Hokkaido, Japan’s second-largest island. The two small fishing towns, Suttsu and Kamoenai, are competing to become the site for a...

Last week, construction kicked off on the world’s largest experimental nuclear fusion reactor. It marked the start of a new era in the energy sector: The fossil fuel industry has historically dominated this arena, but renewable energy is quickly taking over. Now, nuclear scientists are hoping...