Scientists have been monitoring what black holes do to the space around them for decades. Their immense gravity warps time and space in a way that Albert Einstein predicted and that researchers can see. But they've never seen a black hole until now. VOA's Kevin Enochs reports.
As the planet heats up, experts say we need to stop burning the fossil fuels that have powered civilization for centuries, and switch to renewable energy. In that upheaval, there will be winners and losers. VOA's Steve Baragona went to Holyoke, Massachusetts, a small town at the heart of the energy transition.