Mars is within 5 degrees of Mercury from Oct. 12 through Oct. 29, but is much fainter. On the evening of Oct. 19, the two planets will appear closest together, just 2 degrees apart. About 30 minutes ...

Sky This Week is brought to you in part by Celestron. Friday, October 17The Summer Triangle is now sinking in the west late ...

Conditions are near-perfect to spot this celestial visitor, which won't appear again in our night sky for another millennium.

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth ...

Eyes to the sky for August's Sturgeon Moon, a continuing trio of meteor showers, a conjunction of the two brightest planets in the sky, and a predawn 'planet parade'. The First Quarter Moon occurs on ...

Greetings! You can see all five visible planets this week, two in the early morning sky and three in the evening sky.

Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial quadruple play" in the night sky this week. During the final week of June ...

Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

Venus, with a magnitude of -4.1, is currently visible below the Pleiades star cluster (M45) in the pre-dawn eastern sky. Venus is approaching Aldebaran (magnitude 0.9), a star in the Hyades cluster, ...

On August 8th, the close conjunction of the Moon and Pluto will occur, though Pluto's visibility will be obscured by the Moon's brightness. Observation of the double star Albireo in Cygnus is ...

A conjunction is an astronomical event in which at least two planets – or, in this case, other celestial bodies – appear to our vantage from Earth to be close together in the sky. The trio of ...

July 2025 might be considered a "slack month" so far as planet viewing is concerned. In the evening sky, Mercury is available during the evening — though with some difficulty — low in the ...