The European Union unveils its new “strategy for the Arctic” on Tuesday, aiming to step up its presence in the far north as melting ice opens new maritime routes, and tensions with Russia and the United States increasingly put the…

Japan launched a spacecraft on Tuesday on a five-year mission to explore Mars’ mysterious moons, Phobos and Deimos, and bring back samples for the first time. The $578 million project aims to deliver dust, soil and rocks to Earth in…