You are here!

Official site of the design, build, test and launch of JWST.


JWST Science overview, future home of science data and images.


Overview of the spacecraft, mission and science of JWST.

JWST related content on the NASA HOME PAGE plus links to NASA’s other great activities and missions.


JWST related Missions.


News, Careers, Locations & more.

General Interest

These videos are general interest.

John Mather

John Mather, Nobel Laureate in physics and JJWST project scientist, gave a public talk at Northrop Grumman on the "History of the Universe." More...

Credit: Northrop Grumman Corporation
Length: 59 minutes
Formats:YouTube, 116 MB .wmv, 530 MB .mp4

Engineering Model of JWST

Engineering students from California Polytechnic Institute brought their Webb Telescope deployment model to NASA Goddard More...

Credit: NASA
Length:1 minute 28 seconds
Formats: YouTube, 254 MB .mov, more formats at SVS


The largest thermal vacuum chamber in the world gets a major upgrade to test the largest space telescope ever built, the Webb Telescope. More...

Credit: NASA
Length: 4 minutes
Formats:YouTube, 20.4 MB .mov, transcript (txt)

Beyond Hubble

Beyond Hubble: A New Era of Astronomy with the James Webb Space Telescope. More...

Credit: Library of Congress
Length: 59 minutes
Formats: YouTube


Dr. John Mather at NASA Goddard on October 9th, 2012, "Science Systems Engineering for JWST - Why are we building it like this?" More...

Credit: NASA
Length: 1 hour, 15 minutes plus additonal 20 minutes of Q&A
Formats: YouTube only: Talk and Q&A


Testing of the one-sixth scale test bed telescope & integration/test of primary mirror segments and the secondary mirror from 2006 to March 2011. More...

Credit: Ball Aerospace
Length: 1 minutes 4 seconds
Formats: YouTube, 6 MB .m4v, 17 MB.wmv


A low speed balance test of the centrifuge at NASA Goddard taken by cellphone. More...

Credit: NASA
Length: 34 seconds
Formats: YouTube, 20.4 MB .mov, 12 MB .m4v


Actor Seth Green and a group of actor/writer/producer friends visits NASA Goddard on the day Webb's ISIM spins on the centrifuge. More...

Length: 1 minutes 25 seconds
Formats: YouTube, 44 MB .m4v, 17 MB .m4v, 55 MB .mov, 53 MB.wmv


James Webb Space Telescope scientist Dr. Amber Straughn answers some frequently asked questions and does a cryogenics demo. More...

Credit: NASA
Length: 4 minutes 13 seconds
Formats: YouTube, 148 MB .m4v, 49 MB .m4v, 153 MB .mov, 112 MV .mov 132 MB .wmv, 38 MB .mpg, 26 MB .mp4


The time-lapse video shows the full-scale model, which was in Battery Park, NYC for the World Science Festival on May 28, 2010. More...

Length: 1 minutes 32 seconds
Formats: YouTube, 18.4 MB .m4v, 28.6 MB .mov, 1.34 GB .wmv


The construction of the Webb Telescope full-scale model in Battery Park, NYC for the World Science Festival on May 28, 2010. The construction took 5 days - this video shows about 4.5 of that as we hit a maximum picture count. More...

Length: 3 minutes 20 seconds
Formats: YouTube, 39 MB .m4v, 32 MB .mpg, 124 MB .mov, 1.34 GB .wmv


Our mission "movie trailer". More...

Credit:NASA/Goddard Space Flight Center
Length: 1 minutes 38 seconds
Formats: YouTube, Vimeo, 59 MB .m4v, 50 MB .mov

General Interest

A good general overview of the JWST telescope and how it will accomplish its science goals.

Credit: Northrop Grumman
Length: 13 minutes 17 seconds
Formats: 34.7 MB .mp4, 1.12 GB .mov


This lecture was given at Goddard Space Flight Center by Piers Bizony, a science writer. He speaks about James Webb's importance to NASA's science and space programs.

Credit: Piers Bizony
Length: approx 1 hour
Formats: YouTube, 27.1 MB .mov, 47.9 MB .mov, 218