The China National Space Administration’s Chang’e-5 mission, set to return Moon rocks to Earth next week, has grabbed headlines around the world. But China’s other space agency, the science-focused National Space Science Center (NSSC) of the Chinese Academy of Sciences (CAS), is making news of its own: Just after 4 a.m. local time today it launched its Gravitational Wave High-energy Electromagnetic Counterpart All-sky Monitor (GECAM) from the Xichang Satellite Launch Center in Sichuan province.