there are no known planets in the universe that can sustain human life as we know it. The conditions required for a planet to support human life are quite specific, and as of now, Earth remains the only known celestial body that meets all the necessary criteria.
For a planet to be suitable for sustaining human life, it would need to have:
A stable and comfortable temperature range: The planet should have a climate that allows for liquid water to exist, as water is essential for life as we know it.
Atmosphere and air composition: The atmosphere should contain a sufficient amount of oxygen to support human respiration and protect against harmful radiation.
Gravity: The planet should have a gravity level similar to or within a reasonable range of Earth's gravity, as human physiology is adapted to Earth's gravity.
Resources: There should be abundant resources, such as food, water, and raw materials, to support a large human population.
Protection from cosmic radiation and space debris: The planet should have adequate natural shielding to protect against harmful cosmic rays and space debris.
As of now, no planet in our solar system or any known exoplanet meets all these criteria to support human life. Planets that have been discovered outside our solar system, known as exoplanets, are often very different from Earth in terms of their size, composition, and distance from their host stars.
However, scientists continue to search for exoplanets that may have some similarities to Earth and could potentially harbor conditions that could support life. The study of exoplanets is an ongoing and exciting area of research, and who knows what discoveries may be made in the future. But as of today, Earth remains our best and only option for sustaining human life.