Exoplanets weren’t really a thing when the James Webb Space Telescope was on the drawing boards in the mid-1990s. Now they’re an integral part of its mission, explains Keith Cooper
A cryogenic system that can operate unattended for years in deep space is a tall order – and a key ingredient in the James Webb Space Telescope’s mission, writes Keith Cooper
With the long-awaited launch of NASA’s James Webb Space Telescope (JWST) just days away, Keith Cooper explores the mission’s troubled history and exciting future