GREENVILLE, Ala. — Toward the end of a math lesson on a sunny Friday in October, fourth-grade teacher D’Atra Howard and math instructional coach LaVeda Gray ducked out of the classroom to huddle.
Researchers affiliated with King’s College London have published a new modeling study showing that space-based solar power could supply up to 80 percent of Europe’s renewable energy by 2050, ...
Out in the Kuiper Belt, the massive doughnut of debris beyond Neptune, about one in 10 kilometer-scale objects have surprised scientists with their unexpected shape. Rather than resembling a ball, ...