Living up to its name, Mercury is the fastest planet in the solar system, speeding along at about 29 miles per second and ...

August's “planet parade” (also called an alignment) features six planets, four of them visible to the naked eye. Here’s when ...

Mercury, the smallest planet in our solar system, has a magnetic field that has intrigued scientists for decades. Recent ...

Mercury, the smallest planet in the solar system, has spent billions of years quietly getting even smaller. Since its fiery ...

On Aug. 21, a stellar alignment of planets will illuminate the night sky for the last time until the year 2028 ...

A “planetary parade” — in which Mercury, Venus, Jupiter, Saturn, Neptune and Uranus are aligned — began Sunday and will last ...

Alongside the planets will be a nearly-full 'sturgeon moon' that will reach peak illumination on August 9. The planet parade ...

This period where Mercury is farthest from the sun, called greatest elongation, happens twice every 116 days, or about every ...

This rare planetary alignment will be visible from August 10 but will be best viewed later in the month. Here’s everything you need to know to see it at its best.

A team of scientists has a new explanation for the planet Mercury’s dark, barely reflective surface. In a paper published in Nature Geoscience, the researchers suggest that a steady dusting of ...

A recent study suggests Mercury may have a 10-mile-thick layer of diamond deep in its interior. We have MESSENGER to thank for the finding.

According to new information on SkySafari 6 Pro, a program used to predict the placement of stars and planets, Thursday, Aug.