Rosetta's Comet Gets its Day in the Sun: Photos

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Rosetta's Comet Gets Its Day in the Sun: Photos Today, Comet 67P/Churyumov-Gerasimenko will reach its closest point to the sun, and with it will be the orbiting European Rosetta mission. READ MORE Apocalypse Update: Robot Builds Other Robots A robotic system that can learn on its own assembles other robots. READ MORE WATCH VIDEO: Robot Bartender Mixes the Perfect Drink Meet Bartendro, your robotic mixologist, here to make you a stiff one. Octopus Sex: Six-Arm Hugs, Tentacle Hickeys: Photos Sex between animals with multiple arms and suckers might be as intense, and romantic, as it gets in the animal kingdom. READ MORE WATCH VIDEO: Octopi Have a Brain in Every Tentacle An octopus has perhaps the most complicated brain in the animal kingdom. What Happens When Animals See Their Own Reflections? A very few animals recognize themselves in mirrors. Others have less predictable reactions, based on the type of animal. 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 2015 Discovery Communications, LLC