On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

A segment of the James Webb Space Telescope’s giant mirror was hit by a micrometeroid in May, according to an update from NASA.

The James Webb Space Telescope successfully completed the unfolding of its giant gold mirror on Saturday. This rounds out some of the greatest challenges and deployments for Webb since it launched ...

Webb rocketed to space on December 25 from French Guiana and has since traversed 860,000 miles. During this journey, the telescope been steadily unfurling; to make it practical to launch ...

It has been a complicated process to get the mirrors into alignment; the telescope's primary mirror is made up of 18 separate hexagon-shaped segments which fit together to create a 6.5 meter-wide ...

James Webb Space Telescope to study far reaches of Milky Way 05:01. A high-speed dust-size micrometeoroid slammed into one of the James Webb Space Telescope's 18 primary mirror segments last month ...

NASA's massive James Webb Space Telescope has notched another milestone with all 18 primary mirror segments and the secondary mirror fully deployed.

It means the team can now focus on one of the most crucial steps in the telescope’s deployment process — the opening up of the observatory’s mirror, which at 21.4 feet across is the largest ...

NASA's James Webb Space Telescope team fully deployed its 21-foot, gold-coated primary mirror, successfully completing the final stage of all major spacecraft deployments to prepare for science ...

While the James Webb Space Telescope is almost at its deep space temperature, NASA officials wrote in an update, there's no firm timeline on when it will get cool enough.

James Webb’s mirrors are almost, but not quite, cooled ... Much recently, the Webb Telescope was able to capture its first direct image of exoplanets nearly 130 light-years away from the Earth.

(CNN) --One of the 18 golden segments of the James Webb Space Telescope's giant mirror was hit by a micrometeoroid in May, according to an update from NASA.But don't worry -- the space observatory ...