OK, so you've put your hands on a decent starter telescope. We're not talking about one of the cheap 50 mm aperture "department store" scopes, but a good quality 4 to 6-inch aperture scope. You've ...

Pick up almost any book that talks about telescopes, eyepieces, and magnification, and the author will probably expound the “60x-per-inch rule” or “2.4x per millimeter.” This means you shouldn’t pump ...

Orion offers its GiantView Ultra-Wide telescope eyepieces in 9mm and 16mm focal lengths. Each weighs 15.2 ounces (431 grams) and fits 2″ focusers. The 9mm eyepiece has a removable 2″ barrel, so it ...

Level up your telescope with this 14-piece accessory set from Celestron — currently with a $78 Cyber Monday saving When you purchase through links on our site, we may earn an affiliate commission.

Check out the best telescope deals for Prime Day in October and grab one of these amazing optical instruments for less. Save ...

We saw some great deals during Prime Day, but just one week later, Amazon has slashed $300 off the Celestron NexStar 8SE.

FORT DAVIS, TEXAS — A group of amateur astronomers has used the 2.1-meter (82-inch) Otto Struve Telescope at McDonald Observatory to make the first “through-the- Eyepiece” sighting of so-called the ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. With the 2024 total solar ...