With Prime Day fast approaching on July 8-11, now's a good time to take a look at the best telescopes: Here are our picks of the best instruments for viewing the night sky.

The Celestron StarSense Explorer 8-inch Dobsonian telescope ($799.95/£649.99) couldn't come sooner. If you want the most bang for your buck when observing the night sky with a telescope you ...

A 2-inch telescope will have a primary or “objective” lens with an aperture of about 3 square inches. The lens in a 4-inch telescope has a much larger 12-square-inch light collecting area.

Using the 100-inch telescope, ... left, and Henrietta Leavitt sit on display at Mount Wilson Observatory in Los Angeles on June 13, 2024. Ashley Hayes-Stone/SFGATE.

The distant celestial wonders in the sky above New London will soon be more visible than ever. An anonymous Connecticut College alum has donated $100,000 to the Department of Physics, Astronomy and ...