The Nancy Grace Roman Space Telescope is a NASA observatory designed to settle essential questions in the areas of dark energy, exoplanets, and infrared astrophysics.
More details are available at this JPL webpage, and at the Nancy Grace Roman Space Telescope Project webpage at the Goddard Space Flight Center (GSFC)
The WFIRST Science Center is a joint effort of GSFC, the Space Telescope Science Institute (STScI), and the Infrared Processing and Analysis Center (IPAC) at Caltech.