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James Webb Space Telescope

The James Webb Space Telescope is the most complex and powerful space telescope ever built. Canada has contributed a scientific instrument and a guidance sensor. Canadian scientists are taking part in its exciting science mission that promises to change our understanding of the universe. Webb is an international collaboration between NASA, the European Space Agency, and the Canadian Space Agency.

See Webb's
science images

To know more about the mission

About Webb

About Webb

Mission objectives, how Webb works, about the telescope, its data sheet and mission partners.

Canada's role

Canada's role

Canada's contribution and the Canadian teams involved.

What Webb will observe

What Webb will observe

Alien worlds, the life cycle of a star, the early universe, and galaxies through time.

Canadian science programs

Canadian science programs

Observation programs led by Canadian scientists using the Webb Telescope.

Hubble's successor

James Webb telescope vs Hubble

How Webb compares to the Hubble Space Telescope.

Mission news

Mission news

What's new with the mission.

Canadian People of JWST

Employee and partner profiles

The experts behind Canada's participation in Webb.

Activities

Activities

Fun family activities based on the James Webb Space Telescope.

Speakers' kit

Speakers' kit

Presentation, virtual background, infographics and FAQ on the Webb Telescope.

Information kit

Information kit

News releases, media advisories, backgrounder.

Multimedia

Multimedia

Photos, videos, infographics, and science images from Webb.

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