without a spacesuit and an large supply of oxygen, yes you could die without those things on mars.
Bruno Mars is not dead
mars rover
As of 2021 Bruno Mars is not dead i repeat not dead
Mars Rafikov died in 2000.
Mademoiselle Mars died in 1847.
Not without spacesuits, just like the moon. If a person were to walk around Mars, they would freeze to death and die from lack of oxygen. With a spacesuit, an astronaut could walk around on Mars, just like they could walk around the surface of the moon wearing a spacesuit.
Alastair Mars died on 1985-03-12.
Ed Mars died on 1941-12-09.
Jean Price-Mars died in 1969.
Mars Ravelo died on September 12, 1988.
It May be possible to live ON Mars as they have found Ice. But Probbebly not IN mars.
You would need a proper space suit. If you didn't have one, there are many ways you could die instantly.