New findings suggest the famous geyser went dormant during a period of severe droughts -- a condition that could recur in a warming world.
A month’s worth of cool science stories.
To researchers' surprise, Comet 67P/Churyumov–Gerasimenko has ice that's fluffier than freshly fallen snow.
The animals have evolved an immune system that doesn’t cause as much inflammation.
The surprise finding was observed when the fluids moved through specially treated tiny tubes.
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