The joint NASA/ESA mission searches for planets in outer space, potentially looking for a world like Earth.
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An artist's illustration of an exoplanet and its star
Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has stumped scientists.
The Webb telescope as it left Earth in 2021
The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first t…