Boom that shook Pittsburgh was an exploding half-ton meteor, NASA says

NASA's New Flagship Telescope Fully Deploys Sunshield in Critical Mission Milestone

Exploding meteor 'booms' over Pennsylvania on New Year's Day

[NASA TV Director] Here at KSC-TV today, we're going to start turning the dials and loading the engineering specs on our gear from 720p to 4k for testing.