Mercury, the smallest planet in the solar system, holds an outsized secret that some researchers believe could reshape how humans think about expanding into space. With an iron core that dominates its ...

Mercury has long been cast as the solar system’s burnt-out rock, a relic too small and too close to the Sun to hold many ...

Mercury is the smallest planet in our solar system. Explore its size, extreme temperatures, core structure, and comparison with Pluto.

Meteorites found in the Sahara Desert might be pieces of Mercury that broke off as the result of a collision when the Solar System was still forming. The meteorites had many parallels to the surface ...

The early years of our solar system were a period of unimaginable chaos and violence, a gravitational free-for-all where colliding planetary embryos competed for survival. In this tumultuous ...