Dust devils
Even if humans are able to live on Mars they will still have to deal occasionally with twisters. This dust devil was captured by the Mars Opportunity Rover.
It confirms what experts had suspected about the existence of little twisters on Mars. It looks like twisters on Mars’ surface are a common hazard. The rovers were improved after this footage so they could be stable and survive these dust devils.
Egg Rock
The Mars Curiosity Rover, while roaming at the base of Mount Sharp in 2016, came across this golf-ball-sized egg-shaped rock. Curiosity Rover, which was then in Gale Crater, came across this egg-shaped rock the size of a golf ball.
Some conspiracy theorists thought that it was an egg from another planet. Laser pulses were used to confirm that the meteorite was made of iron and nickel.