Summer is here, and Mercury goes retrograde from July 17 until August 11 — the retrograde begins after the full moon lunar ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

Mercury will be at its most distant point from the sun in Earth’s sky on July 4, making it a good time to spot the planet in the evening sky.

Mercury moves super fast around the Sun, finishing its year in just 88 Earth days. The planet has crazy temperature swings, ...

The moon and Mercury meet-up comes as the "Swift Planet," which orbits the sun every 88 days, emerges from our star's glare into the post-sunset sky between June 21 and 30.

What's happening in the skies over North Texas this month? July holds some spectacular sights in the night and morning sky.

But we have 1,000 or so meteorites that come from the moon and Mars. ... However, differences in plagioclase content and age compared to Mercury's surface complicate definitive identification.

On Friday (June 27), the crescent moon will be higher in the sky, just above Mercury. Precisely how low Mercury is, and how long it's observable during this period, depends on your location, so ...