Mice flown aboard the International Space Station and exposed to Mars-like gravity for roughly a month showed only partial ...

Mars, long painted as a frozen desert, is starting to look more like a planet that once knew the feel of warm rain and flowing water. A new wave of research argues that the Red Planet may have spent ...

Mars may look like a frozen desert today, but new evidence suggests its watery past didn’t simply fade away quietly—it may ...

Mars has a solid core, resolving a longstanding planetary mystery, according to new study by Kevin Olsen, Mhairi Reid, The Conversation edited by Lisa Lock, reviewed by Robert Egan Editors' notes ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin atmosphere, but ...