In “Muv,” the biographer Rachel Trethewey looks at the Mitford family matriarch. By Meryl Gordon “Field Notes From an Extinction,” by Eoghan Walls, follows a naturalist who wants to study birds but ...

TerraPower’s project in Wyoming, which uses novel technology, is the first new commercial reactor to receive federal approval in nearly a decade. By Brad Plumer No companies bid for the chance to ...