To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

Mercury will reach its greatest eastern elongation, marking the point where it is farthest from the Sun in the evening sky.

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

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

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

The pre-shadow period kicks off when Mercury first passes the degree it will later retrograde back to and lasts about two ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.