'Colossal Bad Luck' Caused Dinosaurs to Go Extinct

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'Colossal Bad Luck' Caused Dinosaurs to Go Extinct         Dinos would still be here and humans, not so much, if an asteroid hadn't struck right when it did 66 million years ago. Read More WATCH VIDEO: Bringing Back Weird Extinct Animals An extinct frog that hatches its young inside its stomach might be making a comeback thanks to science. Costa Concordia's Final Journey: Photos         The Costa Concordia made its final journal from Giglio to Genoa, where it was docked and will be scrapped. Read More WATCH VIDEO: The Ocean Is in Danger The most interesting and diverse part of our planet is in a dire state. Rosetta Gets Better Look at 'Rubber Duckie' Comet         As a European spacecraft nears a distant comet, it looks a bit less like a rubber duckie and more like a wad of gum. Read More WATCH VIDEO: Biggest Asteroid Strikes Ever We count down the top four biggest asteroid strikes to ever hit Earth. Is Salt the Key to Finding Life on Mars?         Could small amounts of liquid water exist on the surface of Mars? Salt may be a key to answering that question. Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2014 Discovery Communications, LLC