EnvironmentCommon compostable plastic fails to break down after a year at sea A leading "bioplastic" used in single-use cups and containers degrades in the ocean just as slowly as the oil-based stuff, and must be broken down in commercial facilities to be composted News
SpaceAstronomers race to observe rare supernova in a nearby galaxy An exploding star spotted in the Pinwheel galaxy, 21 million light years from Earth, offers a rare chance to watch a supernova unfolding in real time News