The lunar alarm clock: New study characterizes regular moonquakes

Every morning and afternoon, like clockwork, the surface of the moon trembles with tiny "moonquakes." Now, new analysis of seismic activity on the moon has characterized these events and discovered that some of them are not ...

Philippines on alert as volcano spews ash

Philippine scientists said that a "hazardous eruption" of a volcano in the archipelago could be days or weeks away, and urged the evacuation of nearby residents from their homes.

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