Five planets are retrograde in summer 2025: Pluto, Neptune, Saturn, Mercury and Uranus. Astrologically, that means in for a ...

Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would ...

Mercury, the innermost planet of our solar system, has always been a world of extremes,scorching days, freezing nights, and an airless, cratered surface. Though visited by spacecraft early on, much of ...

The first Mercury retrograde of 2025 is here, and this one is going down — or slowing down, in the insolent, fire-breathing sign of Aries and the idealistic, hallucinogenic tidal pools of Pisces.

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.

Mercury’s impact craters, also known as peak ring basins, were created as a result of asteroids or comets smashing into the tiny planet. Many of them, however, were flooded by volcanic lava ...

NASA's MESSENGER spacecraft launched 20 years ago, on August 2, 2004, and although its mission ended in 2015, MESSENGER's observations of the Sun-scorched planet are still yielding new discoveries ...