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Scientists find 'gemstones' in atmosphere of bizarre, scorching-hot 'marshmallow' exoplanet
This Week in Science: AI Agents Come to an Agreement, Gemstones on Mars, And More!
Gemstones on Mars—why the Red Planet could be harboring rubies, opals, and more
How one of the world’s rarest and most valuable gemstones gets its vivid colors
Astronomers track weather on an exoplanet that rains gemstones
