SpaceNASA probe will hurtle past the most distant object we’ve ever visited In 2015, NASA’s New Horizons spacecraft whizzed past Pluto. Now it is about to arrive at Ultima Thule, a tiny space rock 6.6 billion kilometres away from Earth News
CommentEnvironmentalists must embrace nuclear power to stem climate change The Union of Concerned Scientists has overturned its longstanding opposition to nuclear power. Other green groups should follow suit, says Mark Lynas Comment