Here's why:

* Rotation: Mars rotates on its axis, just like Earth does. This rotation is what causes the cycle of day and night.

* Length of Day: A Martian day is slightly longer than an Earth day, lasting about 24.6 hours.

* Length of Night: The length of a Martian night is also slightly longer than an Earth night.

While Mars experiences day and night, the length of each is a bit different from Earth due to the planet's slower rotation.