A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has quietly unsettled planetary science for decades: how does a planet like this ...
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 ...
The elusive planet Mercury reaches its furthest point from the sun on Friday (Jan. 12), with this separation allowing skywatchers a chance to spot the tiny planet. The fact that Mercury is the closest ...