are they seen as invaders?
Yes, in fiction; in H. G. Wells' novel "The War of the Worlds"
Martians as invaders of Earth
In "Last and First Men" (1930) Olaf Stapledon revisited Wells' theme of Martian invasion. "Last and First Men" summarizes tens of thousands of years of invasions and war between Martians and humans. Eventually, humans destroy the Martians' empire.

William Cameron Menzies' film "Invaders from Mars" (1953) fuses the tentacles of Wells' Martians with the idea of little green men to conceive a Martian Mastermind who enslaves tall, green, humanoid mutants. Tobe Hooper's remake of the film was released in 1986,
what is the location of mars in the solar system Mars is the fourth planet from the Sun is it known by any other names? Yes, "Red Planet" in English are there any volcanoes there? Yes, Olympus Mons who named it? Named after observations made by Mariner 9 what was that? From Nix Olympica; a volcano. Astronomers adopted the name "Olympus Mons" for the albedo feature known as Nix Olympica was that a spaceship that made the observations? It was a robotic space probe have any other space probes landed on the planet discussed above? Yes, "Mariner 4", "Viking 1", etc did the first one land on the planet or was it just a fly by? A flyby mode how did it meet its end? The gas supply in the attitude control system was exhausted, and between December 10 and 11, a total of 83 micrometeoroid hits perturbation of the spacecraft's attitude and degradation of the signal strength what is found at the polar regions of the planet? The caps at both poles consist primarily (70%) of water ice; frozen carbon dioxide layer is in northern cap and south cap has a permanent dry ice cover are there any features resulting from impacts? Yes, impact craters are they named? Yes, Hellas impact basin is there any discussion about the intelligent lifeform on the planet? Yes, fashionable idea of intelligent Martians how are they portrayed in fiction? W. S. Lach-Szyrma's novel "Aleriel, or A Voyage to Other Worlds" is the first published work to apply the word "Martian" as a noun.
William Cameron Menzies' film "Invaders from Mars" (1953) fuses the tentacles of Wells' Martians with the idea of little green men to conceive a Martian Mastermind who enslaves tall, green, humanoid mutants. Yes, in H. G. Wells' landmark novel "The War of the Worlds". The film "Last and First Men" summarizes tens of thousands of years of invasions and war between Martians and humans.
Martian Martian Martian
Martians as invaders of Earth Martians in fiction Martians as invaders of Earth
William Cameron Menzies' film "Invaders from Mars" (1953) fuses the tentacles of Wells' Martians with the idea of little green men to conceive a Martian Mastermind who enslaves tall, green, humanoid mutants. Fifteen years after Aleriel, H. G. Wells' landmark novel "The War of the Worlds" (1898) was published by William Heinemann, Ltd., then a relatively new publishing house. The novel was revised numerous times, and has since been translated into many languages. In the story, the Martians are a technologically advanced race of octopus-like extraterrestrials who invade Earth because Mars is becoming too cold to sustain them. The Martians' undoing is a fatal vulnerability to Earth bacteria. In "Last and First Men" (1930) Olaf Stapledon revisited Wells' theme of Martian invasion. "Last and First Men" summarizes tens of thousands of years of invasions and war between Martians and humans. Eventually, humans destroy the Martians' empire.
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Martian [SEP] Martians as invaders of Earth
Mankind is saved by Earth bacteria, which kill the Martians within three weeks of their landing on Earth. In "Last and First Men" (1930) Olaf Stapledon revisited Wells' theme of Martian invasion. "Last and First Men" summarizes tens of thousands of years of invasions and war between Martians and humans. Eventually, humans destroy the Martians' empire. William Cameron Menzies' film "Invaders from Mars" (1953) fuses the tentacles of Wells' Martians with the idea of little green men to conceive a Martian Mastermind who enslaves tall, green, humanoid mutants. Tobe Hooper's remake of the film was released in 1986,