However, the structure is still significantly shorter than Mars' Valles Marineris — the largest canyon in the solar system, ...

Mars is tantalizingly similar to Earth in many ways, but especially in its surface features, which often resemble Earth ...

The distance between Earth and Mars constantly changes because of their ... it has also observed a variety of minerals, canyons, craters and other geological features on the surface.

It's a vast system of chasms five times longer and 10 times wider than the Grand Canyon, and scientists think it formed in a similar way. Billions of years ago, Mars was warmer, and covered with ...

It is almost four years since the Perseverance Rover landed on Mars and it has found a rock that could hold life signs.

For decades, planetary geologists have speculated that glaciers might once have crept through Valles Marineris, the 2000-mile-long chasm that constitutes the Grand Canyon of Mars. Using satellite ...

New research from the University of Arizona suggests an unexpected connection between the Lower Colorado River Basin and the surface of Mars, offering a potential window into the ancient climate of ...

Look east, to the limb of the planet, and you can see the mighty canyon system, Valles Marineris. It's part covered by cloud. "The transmission of the Hope Probe's first image of Mars is a ...

It's a vast system of chasms five times longer and 10 times wider than the Grand Canyon, and scientists think it formed in a similar way. Billions of years ago, Mars was warmer, and covered with ...