Health officials brace for measles cases The Illinois Department of Public Health is bracing for a possible measles outbreak ...

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

FAIRFAX, Va. (AP) — A northern Virginia judge determined embryos are not property that can be divided up, rejecting a ...

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The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...