Join Mark for this week's Sky Watch as he takes you on a fascinating lunar journey from the invisible new moon (June 27-28) ...

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

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a ...

Mercury hovers above the horizon near a four-percent-illuminated Moon, whose darkened face may be lit by earthshine.

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

This week, a remarkable celestial alignment will occur in the western sky, providing an exciting opportunity for stargazers.

But in the early 1980s, Dennis Hope, who had been unemployed for around a year, believed he had found a loophole. The Outer ...

Stargazers can spot Mercury next to a crescent moon on June 26-27. Look west-northwest 45 minutes post-sunset for this rare ...

The new moon occurs on June 25. A day later, Mercury reaches its highest point in the evening sky, and on June 27, the young ...

Get ready for some of the most game-changing astrological events on the year, like Uranus entering Gemini for the first time ...

Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial ...