Webb Telescope Trailer

Orbiting through space nearly a million miles from Earth, the Webb telescope will open up new expanses of the near and distant universe to our view.

Webb's infrared-detecting gaze will penetrate clouds of dust within our own galaxy to reveal previously hidden secrets, and reach back in space and time to view the very edge of the cosmos.

telescope section image

The James Webb Space Telescope

Unlock the Answers

Webb will be the largest telescope ever launched, an engineering marvel crafted to not only endure the rigors of space, but turn them to its advantage. Find out how Webb will work.

Success in Critical Communications Tests for NASA's James Webb Space Telescope

Sep 05, 2018
When NASA’s James Webb Space Telescope launches in 2021, it will write a new chapter in cosmic...