Mercury, the closest planet to the sun, is only slightly larger than Earth's moon and is pockmarked with craters. The planet is visible to the unaided eye and as such as has long been known to humans.

The last Mercury retrograde of 2025 is here, running it back from from November 9 to 29. While Mercury retrograde is the most ...

Mercury is the closest planet to the sun, and you would be forgiven for thinking it’s just a boring lump of rock. After all, there’s nothing interesting on it like aliens or places to drink. Still, ...

It may sound like finding a ski resort in the Amazon, but a team of scientists from the Planetary Science Institute claim to have found evidence that the super-hot planet Mercury has subterranean salt ...

Retrogrades work like full moons. Meaning, they bring what has been hidden into focus so we can finally deal with it. Here is ...

The planet Mercury seems like a place inhospitable to life, with surface temperatures reaching a blistering 800 degrees Fahrenheit due to its extremely close proximity to the Sun. But new research ...

Mercury, the first planet from the Sun - The Forgotten Planet. With the search for life beyond Earth primarily focusing on Mars and the rest of the solar system, it’s easy to forget about the small ...

Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in ...