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

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

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

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

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

Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

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