Every person, by nature, is afraid of something. This is how the self-preservation mechanism works. Fear of the dark, heights ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

How's your knowledge of Earth's geology? Flat, round or global?

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...

A puzzle about Mars has intrigued scientists for decades. The planet’s two hemispheres are strikingly different in structure.