In a cavernous Los Angeles County cleanroom, Northrop Grumman and NASA engineers have pieced together the space agency's prized next-generation telescope, the James Webb Space Telescope.

A University of Texas at San Antonio post-doctoral fellow has been awarded precious time using the James Webb Space Telescope to gather data about supermassive black holes in hopes of better ...

A newborn star, a blast of glowing gas, and a distant spiral galaxy — all caught in one stunning snapshot by the James Webb Space Telescope ... help astronomers to model the properties of ...