As an expert in the field of comic book lore and the Marvel Cinematic Universe (MCU), I can provide you with a detailed answer regarding Thanos' race.

Thanos is a character from the Marvel Comics universe, and he is a member of the Eternals. The Eternals are a highly advanced and powerful offshoot of humanity known as the Eternals, who are themselves the result of genetic experiments conducted by the Celestials, a group of god-like beings in the Marvel universe. Thanos, however, is unique among the Eternals because he possesses the Deviant gene, which makes him different from the typical Eternal. This genetic anomaly gives him his distinctive appearance and extraordinary abilities, such as superhuman strength, durability, and longevity.

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Powers and abilities. Thanos is a mutant member of the race of superhumans known as the Titanian Eternals. ... Demonstrating enormous superhuman strength, stamina, and durability, Thanos can absorb and project vast quantities of cosmic energy and is capable of telekinesis, telepathy, and matter manipulation.read more >>