NASA announced in August that the James Webb Space Telescope had passed its final ground-based tests and was being prepared for shipment to its launch site in Kourou, French Guiana. Now, the oft ...

The most powerful telescope ever launched into space uncovered a cluster of forming stars within the "toe beans" of the Cat's ...

The James Webb Space Telescope will not launch on October 31 as previously scheduled. Various concerns have pushed the launch date to November or December.

The James Webb Space Telescope won't launch as scheduled on Halloween this year—which is definitely a trick rather than a treat for the space community. However, the delay may only be a few ...

The James Webb Space Telescope, humanity’s next big space-bound eye on the cosmos, has a new launch date of December 18th, NASA announced on Wednesday.

The James Webb Space Telescope is scheduled for launch December 18. It will help scientists hunt for alien life on exoplanets and look to the beginning of time.

New images taken by NASA's James Webb Space Telescope show young stars forming within a "toe bean" on the Cat's Paw Nebula.

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, offering clues to Earth's ancient atmosphere.

The James Webb Space Telescope captured amazing imagery of the Chameleon I dark molecular cloud. It harbors the "deepest, coldest ices measured to date in a molecular cloud," according to ESA. Credit: ...

The bad news: The launch of the James Webb Space Telescope, the decades in the making, big-freaking-mirror-equipped successor to the Hubble, has been delayed yet again.

Scientists have for decades anticipated NASA's James Webb Space Telescope. But they are equally nervous about the precision required for its success.

The James Webb Space Telescope launched on Dec. 23, 2021. Since then it has delivered some of the most amazing imagery and data on our universe to date. Credit: NASA ...