Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean ...

Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

Mars – dusty, dry, and desert-clad – was once so rich in water it had not just lakes, but oceans, according to a new study. Observations using ground-penetrating radar have revealed underground ...

Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

Humans haven’t set foot on Mars — yet — but we’ve already got the maps drawn up. A new map released earlier this month shows the Red Planet in all its dusty glory. The map was created with real photos ...

Thanks to the Mars Odyssey probe and 21,000 high-resolutions photographs it took of the planet’s surface, we now have the best map ever made of Mars – and you can check it out online right now! The ...