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Astronomy

Moons that escape their planets could become ‘ploonets’

If giant planets in other star systems lose their moons, the freed objects could become “ploonets,” and current telescopes may be able to find them.

Anthropology

Ancient humans used the moon as a calendar in the sky

Whether the moon was a timekeeper for early humans, as first argued during the Apollo missions, is still up for debate.

Oceans

A mysterious coral disease is ravaging Caribbean reefs

Scientists are racing to learn what’s behind a disease that’s “annihilating” whole coral species in hopes of stopping it.

Neuroscience

A 100-hour MRI scan captured the most detailed look yet at a whole human brain

Researchers report ultraprecise imaging of a postmortem human brain.