Opportunity Leaving Marathon Valley: Photos

TECH SPACE HUMAN WORLD HISTORY ANIMALS EXPLORATION VIDEO View Online Opportunity Leaving Marathon Valley: Photos The Mars rover is departing Marathon Valley soon, here are some of the best shots from the location. READ MORE New Shark Fin Cams Offer High-Def Footage Once attached to a shark, the camera can record high definition footage at 30 frames per second for just over 24 hours. READ MORE WATCH VIDEO: How Do Sharks Have Sex?  Find out how sharks get busy under the sea. Giant Thrill Ride for Downtown NYC A proposal would erect a 1,200-foot drop tower amusement ride atop Penn Station in downtown New York City. READ MORE WATCH VIDEO: Why Do We Love Roller Coasters? What's the attraction to scary rides? How Long Is a Second, Really? The unit of time known as the second has actually gone through some changes. WATCH Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! At Discovery Communications, we value your privacy. If you would like to be removed from future communications like this, please click here. Privacy Policy Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © Copyright 2016 Discovery Communications, LLC