The James Webb Space Telescope

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


News and Highlights

Webb mission update: (1 June 2023) GO Cycle 2 selections have been made and footprints of proposed observations are available in the

ESAC JWST archive which is part of ESA's European Space Data Centre set of archives at

Webb Launch (Christmas Day, 2021) On Saturday 25 Decembar 2021, the James Webb Space Telescope was launched on an Ariane 5 rocket from  Europe's spaceport in French Guyana.

Launch press releases The full press releases associated with Webb launch can be found here: NASA, ESA and Arianespace.

ESA press releases A full set of ESA press releases since launch and Webb news can be found at

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


Link to ESA's JWST archive is available at -- it is possible to access and download ALL JWST products (public and private/EA) associated with all observations taken by JWST via this portal.

For general 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's instruments

JWST is a joint NASA/ESA/CSA mission


Mission Status:

Launched on 25 December 2021

As of 1 June 2023: JWST GO Cycle 2 selection complete and footprints of accepted proposed observations available in the archive at < ESA JWST Archive




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