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Research: A family of comets reopens the debate about the origin of Earth’s water...

Where did the Earth's water come from? Although comets, with their icy nuclei, seem like ideal candidates, analyses have so far shown that...

Research: Researchers examine the age of groundwater in Egyptian aquifers —

Most of the water used by people in Egypt comes from the Nile River, which originates from precipitation over mountainous areas in the...

Research: From genes to leaf shape via growth —

Anyone who looks at their bowl of salad or at their garden can see how different the shapes of leaves can be. Spinach...

Research: Aftershocks of 1959 earthquake rocked Yellowstone in 2017-18 —

On Aug. 17, 1959, back when Dwight D. Eisenhower was president, the U.S. had yet to send a human to space and the...

Research: Older male crickets attract more females — but mate less —

Older male crickets are better at getting females to live with them -- but they mate less than younger rivals once they find...

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