The Amazingly Creepy Way Mars Will Kill Its Moon

It was a rough month for Phobos, as astronomers decreed—yet again—that Mars is ripping its lumpy moon apart. But apparently, Phobos’ loss is the Red Planet’s gain. After the satellite is torn to pieces, its fragments will fan out into a disk and 20 million years from now, Mars will become a ringed planet. »Wednesday 10:30am11/25/15 10:30am

We Finally Know What Happened to Water on Mars

Mars today (despite the presence of a small amount of a liquid water) is a dry, frozen place. But this was not always the case. Ancient Mars was likely warm and wet, much like Earth. So what happened to change it? Thanks to brand new results from NASA’s MAVEN mission, announced today, we may finally know. »11/05/15 5:45pm11/05/15 5:45pm