NASA's $4.3 billion Nancy Grace Roman Space Telescope launches Aug. 30 to study dark energy, find distant planets, survey Milky Way—using repurposed spy satellite to reveal universe's expansion and structure

NASA is about to launch a space telescope that could change how we see the universe

The Nancy Grace Roman Space Telescope, named after NASA's first chief astronomer, will launch on Aug. 30. NASA hide caption toggle caption NASA The universe is a strange place — filled with exploding stars, ancient galaxies, and unseen worlds. Now, astronomers are about to get a brand new tool to explore it. The $4.3 billion Nancy Grace Roman Space Telescope is scheduled for launch Aug. 30. Named for NASA's first chief astronomer, the observatory is expected to reveal new information about the e...