Meet WFIRST: the uber Hubble

With the James Webb Space Telescope finally looking like it might meet its 2018 launch deadline, NASA is already looking ahead to the next great telescope.

The space agency is moving forward on the Wide Field Infrared Survey Telescope (WFIRST). Slated to launch in the mid-2020s, WFIRST is designed to measure the effects of dark energy, while potentially discovering millions of galaxies and providing a glimpse into the atmospheres of alien worlds.

Read more from Popular Science here.