When a SpaceX Falcon Heavy rocket blasts off from Kennedy Space Center as early as Sunday morning, it will be carrying a crucial steppingstone toward astronomers' grand goal of finding Earth-like exop...

Nasa's powerful next-generation telescope has blasted off into space from its launchpad in Florida, with a mission to explore dark energy, black holes and other mysteries of the Universe.

A SpaceX rocket took off with the device, called the Nancy Grace Roman Space Telescope, just before 7:30 a.m. ET Sunday from a launchpad in Florida.