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.

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, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This spectacular color mosaic shows the eastern limb of ...

The planet closest to the Sun may be small in stature, but it’s full of surprises. National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA ...

Mercury will reach its highest point in the evening sky tonight (April 11), with the closest planet to the sun shining brightly. Mercury will climb to an altitude of 17 degrees over the western ...

Mercury, the smallest planet in our solar system, has captivated scientists due to its extreme temperatures, dense iron-rich core, magnetic field, and distinctive geological features. Recent research ...

Knowing the qualities of your sun, moon, and rising signs is key to understanding yourself on an intimate level, but knowing the context of those zodiac signs’ planetary rulers is just as important.

The planet Mercury was the only one with the same name as its associated metal, where both are named after the Roman god of speed, transit, sending messages, luck, and tricks. People learned that ...

A five-planet alignment will be visible in the night sky on Tuesday. Don't miss your lucky chance to see the stars -- or planets -- align. A five-planet alignment of Mercury, Jupiter, Venus, Uranus ...