It is one of the most explored planets in the solar system and the only planet humans have sent rovers to explore. One day on Mars takes a little over 24 hours and a year is 687 Earth days.

Outlining plans for living and working on Mars, the space agency is focusing on oxygen, food, water, power, spacesuits, ...

Seismic readings of the interior of Mars strongly suggest large quantities of water buried 6 to 12 miles underground.

Elon Musk aims to colonize Mars despite challenges such as its extreme climate, thin atmosphere, and lack of liquid water.