New findings suggest the famous geyser went dormant during a period of severe droughts -- a condition that could recur in a warming world.

Catherine Meyers, Editor

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This month in disquieting science.
Abigail Malate, Staff Illustrator
A month’s worth of cool science stories.
Alistair Jennings, Contributor
Researchers say the morphing wings and tail of their robotic flyer allow it to soar at low speeds and make sharp maneuvers.
Tom Metcalfe, Contributor
To researchers' surprise, Comet 67P/Churyumov–Gerasimenko has ice that's fluffier than freshly fallen snow.
Rebecca Boyle, Contributor
The animals have evolved an immune system that doesn’t cause as much inflammation.
Charles Q. Choi, Contributor
The surprise finding was observed when the fluids moved through specially treated tiny tubes.
Peter Gwynne, Contributor

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