Mercury is a planet that just doesn't make sense. It's incredibly small yet hosts a relatively massive core. Mercury is so strange that astronomers have not been able to explain its properties with ...

Mercury is a planet of extremes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The planet is named after the Roman deity Mercury, the speedy ...

Based on my research, which include image composites of two flyby views of Mercury from the MESSENGER spacecraft, I conclude that Mercury has not cooled and shrunken as much as previously thought.

This essay is an entry in our "Dear Spacecraft" series, where we ask writers, scientists, and astronomy enthusiasts to share why they feel personally connected to robotic space explorers. Our robotic ...

Mercury’s disproportionately massive core may be the result of the Sun’s powerful magnetic influence rather than the consequence of a cataclysmic collision with another body in the ancient past, ...

Mercury, the speedy little planet closest to the sun, is making a special twilight appearance this month as a bright pink dot low in the sky. The show started on Feb. 8 and will continue until Feb. 21 ...

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 ...

David Rothery is Professor of Planetary Geosciences at the Open University. He is co-leader of the European Space Agency's Mercury Surface and Composition Working Group, and a Co-Investigator on MIXS ...