Have humans found a planet suitable for human habitation at present?

Matthew, an astronomer at the University of British Columbia, said that a planet suitable for human habitation, the red dwarf Gliese, had recently been discovered.

581C. "This is the first time that humans have discovered a planet that may be suitable for human habitation outside the solar system. The temperature of this planet is similar to that of the earth, and its size and volume are similar to that of the earth. There may be water on the planet, about 20.5 light years away from the earth (about 120 trillion miles). " Matthew said

Mars 2 has a lot of ice ~ suitable for human development ~ and something similar to biological fossils has been found on Mars. There is an active volcano in Europa with an ice thickness of15km. Scientists predict that after the sun expands to a certain extent in 4.5 billion years, it will become a temporary residence for human beings.