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Planetary Science

A newly spotted asteroid spins faster than any of its size ever seen

Among the first finds from the Vera C. Rubin Observatory, the discovery hints at a population of exceptionally strong asteroids.

Astronomy

A double cosmic explosion could be the first known ‘superkilonova’

The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

Health & Medicine

What science says about the Trump administration’s new vaccine schedule

The federal move to no longer recommend certain vaccines for all U.S. children is not supported by new evidence and could undermine health gains.