From Nature:ÌýResearchers are heading to some of the most remote spots on Earth — from the Tibetan Plateau to an island in the sub-Antarctic ocean — to try to capture an enigmatic radio signal from the early Universe. This grand search, which could even involve a mission to the Moon, includes some of the first experiments to follow up on a surprise announcement in February that astronomers had seen evidence of the Universe’s first stars lighting up, a moment known as the cosmic dawn.