A new study details the findings of two meteorites that likely originated from Mercury and might provide clues about its ...

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 ...

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.

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

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