In a first, Webb telescope directly observes exoplanet CO2

PARIS: The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced on Monday.

The gas giants are not capable of hosting extraterrestrial life, but do offer clues in a lingering mystery about how distant planets form, according to a study in The Astrophysical Journal.

The HR 8799 system, 130 light years from Earth, is only 30 million years old — just a baby compared to our solar...