Two shadows on Jupiter’s cloud tops
Back to Article List Observers in the western U.S. can catch the shadows of Io and Europa dotting…
The Sky Today on Monday, October 20: Visit the Pleiades
Back to Article List One of the most famous clusters in the sky, the Pleiades leads the figure…
The Moon and Venus before dawn
Back to Article List A gibbous Venus and a crescent Moon share space in Virgo this morning before…
Io, Europa, and their shadows cross Jupiter
Back to Article List Jupiter’s two innermost Galilean moons cross in front of the planet, playing tag with…
The Sky Today on Wednesday, October 15: Check out Comet Lemmon
Back to Article List Comet C/2025 A6 (Lemmon) is visible in the hour and a half before sunrise,…
View the ancient stars of M22
Back to Article List One of the closest globular clusters to Earth, M22 is perfectly placed to observe…
The Sky Today on Sunday, October 5: Titan’s last shadow transit
Back to Article List Titan makes one last trek across Saturn with its shadow in tow. This event…
The Sky Today on Saturday, October 4: Io and Europa overlap
Back to Article List Jupiter’s moons Io and Europa overlap as they begin to transit the gas giant…
Celebrate 100 years of planetariums this week with the IAU
Back to Article List Astronomical societies are teaming up this week to celebrate 100 years since the invention…
The Sky Today on Sunday, September 28: Vesta passes M80
Back to Article List Asteroid Vesta is moving through Scorpius, standing just a few degrees from the compact…
The Sky Today on Saturday, September 27: The Moon meets Antares
Back to Article List The Moon lies in the heart of the Scorpion, sinking in the west after…
The Sky Today on Tuesday, September 23: Neptune at opposition
Back to Article List The solar system’s most distant planet reaches opposition in Pisces, located within the same…