NASA's Nancy Grace Roman Space Telescope – the space agency’s newest orbital observatory – promises unprecedented wide-angle views of the cosmos, including distant galaxies, black holes and planets that may resemble those in our own solar system. Roman, as it’s called, will launch from Florida’s Kennedy Space Center on Aug. 30.

NASA astronaut Jonny Kim is leaving the space agency to continue his military career. Kim, who's also a medical doctor, completed one spaceflight during his NASA career.