Under pressure from President Trump, the House and the far right, Senate Republicans opened debate on Tuesday on legislation they call the SAVE America Act, which would require voters to show approved ...

Coal plants in Colorado a year or two ago seemed clearly on their way to imminent retirements. Two of the state’s nine units were scheduled to retire at the end of 2025 with all ...

Every eleven years, the sun's magnetic field flips. Sunspots—dark, cooler regions on the sun's surface that mark intense ...

In the development of a new power system dominated by green energy, green electricity has become a standardized commodity circulating nationwide through market mechanisms. The role of green ...

Previous studies found two of the closest planets outside the Solar System around this star, but missed the really exciting ...