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James Webb Space Telescope

Full-scale model of the James Webb Space Telescope
Posted inNews

How Well Can the Webb Telescope Detect Signs of Exoplanet Life?

Lucas Joel by L. Joel 24 September 20189 November 2021

Recent research suggests that NASA’s next-generation space telescope will be good—but not the best—at finding life-sustaining levels of oxygen in an exoplanet’s atmosphere.

Artist’s rendering of disintegrating planet Kepler-1520b.
Posted inNews

Webb Telescope May Detect Minerals from Shredded Worlds

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 September 20189 November 2021

The upcoming James Webb Space Telescope should be able to measure the composition of vaporizing exoplanets, giving clues about the makeup of their cores, mantles, and crusts.

Posted inNews

Final Mirror Segment Added to Powerful Future Space Observatory

by Randy Showstack 8 February 201617 January 2023

After years of planning, testing, and assembly, the James Webb Space Telescope, the world's largest infrared, space-based observatory, is taking shape.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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Tracking 20 Years of Productivity in Tidal Wetlands

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Editors' Highlights

The Largest Ice Thickness Survey of Alaska’s Glaciers

7 July 20266 July 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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