Mullard Space Science Laboratory is a space and climate physics research organisation within the space science and aerospace sector. It advances understanding of the solar system and wider universe through scientific research, mission participation and specialist engineering. Its work includes designing, building, testing and operating space instruments, sensors and advanced telescope technologies for international space missions. The laboratory also supports postgraduate teaching, research training, industrial collaboration and public outreach. With hardware flown on hundreds of missions, it provides expertise across planetary science, astrophysics, solar physics, space plasma physics and climate-related observation, combining academic research with practical space engineering capability.