Looking for a sky event this week? Check out our full Sky This Week column. January 12: Io's post-opposition transit Point ...

The solar system’s largest planet shines bright as the Moon wanes and Saturn’s moons dance in the sky this week.

The Hubble Telescope appears as a tiny silhouette during a perfectly timed solar transit captured from Puerto Rico.

McKim Observatory still houses many of its original instruments, including a 9.53 inch Clark Refractor telescope, a meridian transit telescope, and a gravity driven chronograph. Missing from the early ...

On June 5th in North and Central America, and June 6th in Asia, Australia, and most of Europe, the planet Venus will cross in front of the Sun. This will be only the eighth such transit of Venus since ...