Mercury, the smallest and innermost planet in our solar system, may be home to a dazzling secret hidden beneath its scorched ...

Mercury’s surface is scattered with graphite, a clear sign that its crust once floated atop a carbon-rich magma ocean. As the ...

"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

Adding to the mystery, data from NASA's MESSENGER probe, which orbited Mercury between 2011 and 2015, revealed that the planet's surface is surprisingly rich in volatile elements, including ...

MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and Ranging), which reached Mercury for its first flyby in January 2008, was the first spacecraft to visit the planet in more than 30 ...