Mars' Moon Phobos Is Double-Doomed

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Mars' Moon Phobos is Double-Doomed Phobos, the larger of Mars' two small moons, is a victim of gravity, edging closer toward its parent planet. READ MORE Veteran's Day: History of the Salute The salute probably developed as an alternative to raising a hat. READ MORE WATCH VIDEO: How Some Nations Get By Without Their Own Military There are currently 23 countries that don't employ an active military. Pluto Flunked the Planet Test, Again A new test for defining the planetary status of an exoplanet has been formulated, but a certain dwarf planet in our solar system still doesn't make the grade. READ MORE WATCH VIDEO: What Did We Learn From The Pluto Flyby? What did all of the new data in that photo op tell scientists about the plucky little world? Why Hot Food Tastes Better Than Cold It has to do with the birth of fire, and the energy boost we got from cooking our food. 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