Although engineers, scientists and manufacturers are still in the process of building all of the instruments that will fly aboard NASA’s James Webb Space Telescope, they had to figure out long ago, ...

NASA opened a golden eye on the cosmos Saturday. The James Webb Space Telescope, the largest and most complex of its kind, successfully completed its final deployment stage by opening its 21-foot gold ...

The James Webb Space Telescope team has fully deployed the spacecraft’s 70-foot sunshield, a key milestone in preparing it for science operations. The sunshield – about the size of a tennis court at ...

This image from the NASA/ESA/CSA James Webb Space Telescope revisits one of the most iconic regions of the sky, the Hubble Ultra Deep Field, through the eyes of two of Webb's instruments. The result ...

The James Webb telescope completed its final major step of deployment on Saturday morning, when the last mirror wing of the telescope unfolded in space into its final configuration. Two weeks after ...

Located approximately 4,000 light-years from Earth, the Cat’s Paw Nebula is a massive star-forming region in the constellation Scorpius. The James Webb Space Telescope far surpasses the abilities of ...

On Friday, to mark the second anniversary of operations of the James Webb Space Telescope, NASA released a breathtaking new cosmic image of two galaxies merging together. The telescope, which launched ...