Scientists Say Asteroid Made Canyons on Moon 4 Billion Years Ago

When American astronauts go back to the moon in the next few years, they'll be checking out two enormous canyons on the south pole, which researchers say were carved by an asteroid nearly four billion years ago. Scientists are also looking forward to the souvenirs astronauts will bring back, in the form of rock samples. Inside Edition Digital’s Mara Montalbano has more.