Mercury, which orbits the sun every 88 days, reaches its highest altitude in the evening sky on March 8. Although Mercury has been rising as Venus sinks, both will now disappear from the evening sky.

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

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...

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

As the planet closest to the Sun, Mercury has it rough. Not only is it the smallest planet in our solar system, but Mercury's ...

Venus' closest approach to Earth Even though Venus moves between the Earth and sun every 19.5 months, it becomes visible after sunset and before sunrise only around every eight years, according to ...

Watch the waning gibbous moon, Saturn, and Neptune meet in the night sky around midnight on July 16. The trio will travel ...

Discover why Earth's farthest distance from the sun coincides with summer heat, then grab your binoculars for a week of ...

Mercury is closer to the sun even than Venus, but is far smaller in physical size and also less reflective—Mercury’s surface is mostly dark volcanic rock, while Venus is enshrouded in clouds ...