James Webb Space Telescope system test

Professional Telescopes

New Launch Date for James Webb Space Telescope

NASA has delayed its beleaguered James Webb Space Telescope to October 2021, in part due to the COVID-19 pandemic.

James Webb Space Telescope

Professional Telescopes

NASA Sets March 2021 Launch Date for James Webb Space Telescope

Despite significant cost overruns, NASA's James Webb Space Telescope is now set for a March 2021 launch — assuming it receives Congressional reauthorization.

James Webb Space Telescope

Professional Telescopes

James Webb Telescope Delayed Until 2020

NASA officials announced Wednesday that the James Webb Space Telescope launch would be delayed until approximately May 2020. But before the mission can launch, its managers may have to face Congress.

James Webb Space Telescope

Professional Telescopes

James Webb Space Telescope Launch Delayed til 2019

The long-awaited James Webb Space Telescope — the successor to the Hubble Space Telescope — has slipped its launch date by several months. It will now launch between March and June 2019.

Orbital Path Podcasts with Michelle Thaller

Orbital Path Podcast: First Light

John Mather has seen many first lights, not the least being the first light of the universe — and soon he will see the first light of the James Webb Space Telescope.

Assembling JWST primary mirror

Astronomy in Space with David Dickinson

Mirror Assembled for Hubble's Successor

NASA has assembled the primary mirror for the James Webb Space Telescope, a big step on the way to the telescope’s October 2018 launch.

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