EnvironmentOceans are darkening all over the planet – what’s going on? In a shift that is reshaping entire ecosystems, the open oceans are letting less light in. We don't fully understand the consequences yet, but there is still hope, says oceanographer Tim Smyth Features
TechnologyRobotic underwater glider sets out to circumnavigate the globe Redwing, a robotic submarine about the size of a surfboard, is embarking on a five-year journey that will follow the famed explorer Ferdinand Magellan’s voyage around the world News