By contrast, Deimos is tiny, with a radius of 6 km, and quite a bit further out, more than 23,000 km from the surface. It is ...

No satellite could revolve in a shorter time than it takes its primary to rotate: this condition is violated by Phobos, the inner satellite of Mars ... the more surface it exposes, and hence ...

Despite its dry, dusty surface and thinner atmosphere, Mars may have more in common with Earth than scientists previously ...

Mars, one of our closest planetary neighbors, has fascinated people for hundreds of years, partly because it is so similar to ...

Embark on an interplanetary journey with us as we explore the mysterious moons of Mars, Phobos and Deimos! From their unusual ...

Curiosity rover is hunting for microbial life on Mars. NASA reconnaissance orbiter snapped its first-ever image of Curiosity ...

NASA's Perseverance rover has discovered a haunting rock formation on Mars that looks unsettlingly like a skull. Dubbed "Skull Hill," the jet-black outcrop is so bizarre and out of place that even ...

Researchers may have found clues of possible ancient life beneath Mars' surface thanks to the Perseverance rover.