Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet.

The smallest planet in our solar system is also one of the most extreme—a sun-scorched, metal-rich world with a puzzling ...

Mercury stands less than 3° from the Beehive Cluster in the evening sky, preparing to cross through the cluster’s outskirts ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Southwest Research Institute has collaborated with Yale University to summarize the scientific community's notable progress ...