Oldest Dog Turns Out to Be a Wolf

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Oldest Dog Turns Out to Be a Wolf Some of the oldest known 'dogs' have just been determined to be wolves -- so who were the first actual dogs? READ MORE NASA Mars Orbiter Spies on Curiosity's Workplace Like a co-worker looking over her shoulder in the office, Curiosity has a Martian colleague checking up on her progress from high above. READ MORE WATCH VIDEO: Water Found on Mars ... For Real Martian soil is 2 percent water. What's that mean for future colonists? Buffalo-sized Rodent Used Its Teeth Like Tusks A rodent closely related to guinea pigs used its powerful incisors to do more than just bite things. READ MORE WATCH VIDEO: Could a Fossilized Mosquito Resurrect Dinosaurs? A prehistoric mosquito is discovered full of blood. How We Speak the Universal Language of Touch Another tool in our language box flies a bit under the radar: the language of touch. 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