The next generation telescope will enable us to directly study the atmospheres of extrasolar planets.
The launch of the giant orbital telescope has been pushed back from October 2018 to Spring 2019.
The successor to the Hubble Space Telescope is set to be placed inside a huge thermal vacuum chamber.
The impressive gold-coated mirror of the James Webb Space Telescope has been revealed in all its glory.
NASA's recently launched Kepler spacecraft is on a mission to find Earth-sized planets around distant stars, but once it...