They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

Scientists may have solved alongstanding mystery in the study of Mercury. For the first time, pieces of the Solar System’s ...

The meteorite Northwest Africa (NWA) 7325 was initially proposed as a possible fragment of Mercury. However, its mineralogy ...

Radar and gravity records from NASA’s Magellan orbiter show that Venus' surface is still shifting and is not geologically ...

Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a ...

It remains the only spacecraft to orbit the planet, capturing thousands of high-resolution images. The probe revealed unexpected surface diversity and mysterious ray systems.

Thursday’s flyby was the fourth of six planned around Mercury, with BepiColombo grazing the planet just 103 miles above its surface. The images it sends back from these close encounters, Dr ...

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.

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.