Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

ANN ARBOR, Mich.–By measuring the charged particles in the planet Mercury’s magnetic field, a University of Michigan sensor enabled the first observations about the surface and atmospheric composition ...

A European-Japanese space mission will reach Mercury in 2026, carrying instruments designed to answer a question that has ...

The early years of our solar system were a period of unimaginable chaos and violence, a gravitational free-for-all where colliding planetary embryos competed for survival. In this tumultuous ...

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 ...

Two new papers from members of the MESSENGER Science Team provide global-scale maps of Mercury’s surface chemistry that reveal previously unrecognized geochemical terranes large regions that have ...