Celebrate with the Christmas Tree Cluster
Back to Article List Check out a lovely open cluster of stars that forms the shape of an…
Ceres makes us see double
Back to Article List Dwarf planet Ceres passes close to a background star in Cetus tonight, creating a…
Comet Schaumasse closes in on the Virgo Cluster
Back to Article List Visible in the early morning, Comet Schaumasse is entering a region rich with galaxies,…
Io and its shadow transit Jupiter
Back to Article List As Jupiter nears opposition, its moons closely follow their shadows during transits. Tonight, Io…
The Sky Today on Thursday, December 18: Mercury on the move
Back to Article List Challenge yourself to spot a 2-percent-lit crescent Moon as Mercury shows off its quick…
The Sky Today on Wednesday, December 17: The Moon meets Mercury
Back to Article List A lovely crescent Moon shares the predawn sky with bright planet Mercury, with the…
The Geminid meteor shower peaks
Back to Article List The best meteor shower of the year peaks today! Look for shooting stars this…
Uranus meets a background star
Back to Article List The distant ice giant Uranus sits a few arcminutes from the star 14 Tauri,…
The Sky This Week from Dec. 12 to 19: The Geminids peak
This stunning composite contains some 400 images taken over the course of 4 hours during the 2023 Geminid…
The Sky Today on Monday, December 8: Saturn’s moons shine
Back to Article List Titan is finishing a transit early this evening, while several other moons of Saturn…
Mercury reaches greatest western elongation
Back to Article List Planet Mercury is now a bright light in the predawn sky, reaching its greatest…
Europa and its shadow cross Jupiter
Back to Article List Catch Jupiter’s famous icy moon Europa as it treks across the gas giant’s disk…