On Earth, a blazing orange and crimson horizon marks the close of day. On Mars, the planet famous for its rust-red landscapes ...

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more familiar. New mapping of ancient river systems indicates that a vast ...

Sending anything to Mars is a much more difficult process than it seems. In the 1960s, the Soviet Union tried (and failed) in its first nine consecutive attempts, and the US was only able to succeed ...

(NEW YORK) — Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick atmosphere, which kept it warm enough to support flowing water on its ...

Blue sunsets, whirling dust devils, giant volcanoes, tiny moons, and marsquakes—there’s a lot to discover on Mars!