Mars’ Valles Marineris is a canyon system so large it dwarfs anything on Earth. Stretching thousands of kilometers, it ...

Seen from orbit, Mars’ Grand Canyon becomes a massive geological puzzle carved by time, wind, and water. Scientists can trace ...

Scientists have found that ancient Martian lakes could have survived for decades despite freezing air temperatures. Using a newly adapted climate model, researchers showed that thin, seasonal ice ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice. When you purchase through links on our site, we ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...