Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...

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 ...

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 ...

The origin of Mercury, the closest planet to the sun, is mysterious in many ways. It has a metallic core, like Earth, but its core makes up a much larger fraction of its volume – 85% compared to 15% ...

Mercury is a cold and desolate planet that appears to have little surface, no sign of water, and little atmosphere that can be observed. Wikimedia Commons A European-Japanese space mission will reach ...

Mercury seen by Nasa’s Messenger spacecraft on the left. On the right, there’s an approximation of Mercury’s true colour as might be seen by the human eye. Credit: NASA/Johns Hopkins University ...