In the image, the star HD 135344B is masked by a coronagraph, a tool used to block the light of a star to see what objects ...

Score this high-definition monocular telescope for $39.97 through September 3 and experience the world in vivid detail, no matter how far away it may seem.

TL;DR: You can own a high-definition monocular telescope, great for outdoor adventures and wildlife-spotting, for just $29.97 (reg. $54.99) through September 29.

Explore Deep Space for $450 cheaper with this anti-Prime Day telescope deal on the Celestron Advanced VX 8 Edge HD telescope which we gave 5/5 stars in our review.

The telescope we've named best for deep space is cheaper than Amazon and comes with a free eyepiece set and carry case worth $210.

Enjoy picture-perfect image quality with the telescope, thanks to its BAK4 prism glass and fully coated optics. It gets so close you can see someone’s face from 1,000 meters away or read text on ...

The Very Large Telescope in Chile has found, for the first time, an infant planet nestled in spiral arms of dust around a distant sun-like star.

Get a bird’s eye view. Get an HD Monocular Telescope on sale for just $29.97. StackSocial prices subject to change. High Definition Monocular Telescope – $29.97 See Deal ...

The image to the left, taken with ESO’s Very Large Telescope (VLT), shows a possible planet being born around the young star ...

Hubble Space Telescope imagery created an HD look at the gas giant planet Jupiter. Credit: NASA Goddard Space Flight Center ...