New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

Searching for past or present life on Mars is the sole driving force behind every mission we send to the red planet, from orbiters to landers to rovers. However, there remains a concern in the ...

NASA’s Curiosity Mars rover captured images of hilly terrain on Mars, described by scientists as resembling spiderwebs from orbit, which provide clues about the planet’s watery past.

Until recently, Mars was studied only through telescopes and some data that was recorded from early spacecraft. It was thought that Mars' polar regions were the only significant reservoirs of ice, ...

A Martian volcano once thought to be the result of a single eruption turns out to have a much more complex past. Orbital imaging and mineral data show it developed through multiple eruptive phases, ...

On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? David De RooSilver Spring, Maryland ...

NASA's Perseverance rover has added to its trove of curious finds, as the space agency published a photo of a rock on the surface of Mars that looks like a centuries-old helmet. The rock has a pointed ...

New research has mapped 16 extensive, interlaced river systems on Mars, dating back approximately 3.7 billion years to the Early Hesperian Period. These large river systems, despite covering only ...

Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.

Scientists show recycled human waste can unlock nutrients in Martian dust, offering a new path for farming on Mars.