To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet.

Mercury moves super fast around the Sun, finishing its year in just 88 Earth days. The planet has crazy temperature swings, ...

Mercury is a mystery. It’s the smallest planet in our solar system, the closest to the Sun, and one of the most extreme. Its ...

Mercury is the closest planet to the sun and the smallest planet in the solar system. Here we explore the strange world in more detail. Skip to main content. Open menu Close menu.

New research suggests that Mercury's crust is shifting and twisting in unexpected ways thanks to the force of the Sun.

At this time, Mercury, also the smallest planet in the solar system, will have a magnitude of around -0.5, with the minus prefix indicating a particularly bright object over Earth.

Mercury has the shortest and fastest orbit around the Sun and experiences dramatic temperature changes as it rotates. It is a world of extremes. Explore facts about our solar system's fastest planet.

Mercury could have a thick underground layer of diamonds, scientists say. Some of the stones may have found their way to the surface, according to a recent study.

Because Mercury rules the mind and communication, Mercury retrograde can be a time for mental reflection. Planets experiencing retrogrades in 2023 This year, every planet in our solar system will ...