Throughout history, humans have looked to the sky and associated the motions of the planets with certain deities and their characteristics, and Mercury is no different. This small planet represents a ...

Mercury will be in retrograde until Dec. 15, the last of four times it appears to move backward in the sky this year. For at least a portion of 2024, nearly every planet in our solar system has been ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system's smallest planet and the closest to the sun, according to new research. The ...