Learn what planet rains molten iron and which planet has two moons like Tatooine in Star Wars.

Earth is our home planet, and it's the only place in the universe ... our star, the sun. Keep reading to learn more about Earth's different layers, its atmosphere, and what makes the "blue planet ...

"I think that the simplest explanation of the rotating universe is the universe was born in a rotating black hole." ...

Astronomers have captured direct images of exoplanets in a star system 130 light years away, providing clues on gas giant ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Astronomers have discovered not one, but four tiny planets orbiting Barnard’s Star, our cosmic neighbor. These planets, each ...