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Planetary Science

Saturn’s rings are surprisingly young and may be from shredded moons

Final data from the Cassini spacecraft put a date and a mass on the gas giant’s iconic rings.

Science & Society

U.S. religion is increasingly polarized

Organized religion in the United States increasingly belongs to fervent believers, a new study finds.

Neuroscience

In a tally of nerve cells in the outer wrinkles of the brain, a dog wins

Among some carnivores, golden retrievers rate at the top for numbers of nerve cells, study finds.

Health & Medicine

Fracking linked to low birth weight in Pennsylvania babies

Babies born to moms living within one kilometer of a hydraulic fracturing site were more likely to be born underweight, researchers say.