Mercury, the smallest planet in our solar system and the one closest to the Sun, has long baffled scientists with its twisted, fractured surface. Towering cliffs, deep ridges, and sprawling fracture ...

The solar system’s smallest planet may have vast riches beneath its surface, according to a stunning discovery by a NASA spacecraft. Scientists have determined that Mercury, the closest planet to the ...

Far smaller and closer to the Sun than it should be, Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission arriving in 2026 might ...

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 ...

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 ...