The James Webb Space Telescope

Welcome to ESA's website for JWST's scientific community


News and Highlights

JWST mission update: on Saturday 25 Dicembar 2021, the James Webb Space Telescope was launched on an Ariane 5 rocket from  Europe's spaceport in French Guyana.

The full press releases can be found here: NASA, ESA and Arianespace.

For up-to-date information about the status of the JWST mission, please check the JWST blog of the NASA JWST web site.


For information about the Webb mission and the European contribution to the mission, check the ESA Webb page here.

For the ESA James Webb Space Telescope launch kit, check the ESA page here.

News and Highlights - Archive

The mission

JWST newsletter

JWST's instruments

JWST is a joint NASA/ESA/CSA mission


Mission Status:

Launched on 25 December 2021



More complete list of events maintained by STScI: here.


Webb was launched on an Ariane 5 Launcher on December 25, 2021

Highlights in images - Archive