SpaceA tiny nearby galaxy is home to a shockingly enormous black hole One of the Milky Way’s smallest galactic neighbours seems to have a supermassive black hole at its centre, upending assumptions that it was dominated by dark matter News
EnvironmentWe could get most metals for clean energy without opening new mines An analysis of active US mines finds they already collect virtually all of the minerals the country needs for batteries, solar panels and wind turbines – but these critical minerals mostly go to waste News