The new Nancy Grace Roman space telescope is slated to launch this weekend. It was originally built for the National Reconnaissance Office as a spy satellite, but was never launched. Instead, NRO gave it to NASA about 15 years ago.

NASA is now getting preparations underway to add a new "eye" to the night sky.

The Nancy Grace Roman telescope, named after NASA's first Chief of Astronomy, will study dark energy and exoplanets and further explore the Milky Way.

NASA will launch its newest space telescope Sunday morning from Kennedy Space Center in Florida. The Nancy Grace Roman Space Telescope is named after the first chief astronomer at NASA. NASA says the mission will research dark matter and dark energy,