Chinese moon mission's sample haul includes exotic volcanic rocks

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The Quadrantid meteor shower, one of winter's best shows, peaks late tonight (Jan. 3). However, the best time to view the shower is a few hours before sunrise tomorrow morning (Jan. 4) after the Moon has set. The shower's zenithal hourly rate is expected to be about 110 meteors per hour.

There's One Thing Dogs Don't Use Their Tail For, Scientists Say