Mars rock found in Sahara Desert contains Mars water
A 2.1 billion-year-old Martian rock offers scientists clues to to a period in the planet's history when its climate finally changed.
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WPXI/Giant Eagle PENS PLAYOFF GAME TICKET GIVEAWAY
In celebration of Giant Eagle's limited-time 20-cent fuelperks! promotion, WPXI and Giant Eagle are giving away -- TO 10 LUCKY FANS -- a pair of tickets to Friday's Pittsburgh Penguins playoff game!
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