George Steinmetz’s Bird’s-Eye View of the Earth

Had National Geographic photographer George Steinmetz listened to his parents, he might have made a killing as an oil and gas prospector. While attending Stanford University in the 1970s, at the height of the energy crisis, he majored in geophysics—one of “the...

Fusion Energy Gets Ready to Shine—Finally

Until 1920, humans had no real sense of how the sun and stars create their vast amounts of energy. Then, in October of that year, Arthur Stanley Eddington, an English astrophysicist, penned an essay elegantly titled “ The Internal Constitution of the Stars.” “A star...