First-Time Comet Landing No Sure Bet

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First-Time Comet Landing No Sure Bet         The comet's surface could be too hard for the spacecraft, Philae, to land, causing it to bounce back into space. Read More WATCH VIDEO: This Satellite Is Landing on a Comet A satellite's been traveling for nearly a decade with a comet in its sites -- and it's ready to touch down. Why a Bomb Cyclone Means Frigid Weather for the US         An early blast of frigid weather heads toward the central and eastern United States. We break down the meteorological lingo. Read More WATCH VIDEO: How We Name Big Storms Where do these names come from? And how do named storms differ from other ones? SpaceShipTwo: How It's Supposed to Work         It would be easy to assume that a design flaw caused the deadly crash of SpaceShipTwo -- but appearances can be deceiving. Read More WATCH VIDEO: Traveler Trains for Virgin Flight Virgin Galactic begins preparing citizen astronauts for sub-orbital flight. Get a Glimpse Inside a Robot's Brain         Robots decide stuff all the time, scary as that sounds. But what happens inside their "thought" process? A team from MIT asked the same question and created a way to visualize what a machine's decision process looks like. 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