Save $100 on this 5-inch telescope and enjoy views of Saturn's rings, the belts of Jupiter and bright deep space objects like ...

Stargazers in the U.S. will find the slender form of the crescent moon roughly 20 degrees above the western horizon right at ...

Sky This Week is brought to you in part by Celestron. Friday, June 27The Moon passes 3° north of Mercury at 2 A.M. EDT. By evening the two are visible in the western sky, roughly 8° high an hour after ...

Start exploring the night sky with our top picks for beginner-friendly telescopes. Tested for clarity, ease of use and build ...

World’s most powerful telescope unveiled on facebook (opens in a new window) World’s most powerful telescope unveiled on linkedin (opens in a new window ...

When we were kids, it was a rite of passage to read the newly arrived Edmund catalog and dream of building our own telescope. One of our friends lived near a University, and they even had a summer … ...

Here's our definitive round-up of the 10 best Father's Day deals on Amazon as most of the offers will arrive before the big day and all are top discounts.

After construction was complete, the telescope parts had to travel from California and Arizona to the top of Cerro Pachón, an 8,799-foot, seismically active peak in the Chilean Andes.

Astronomers have pulled off an unprecedented feat: detecting ultra-faint light from the Big Bang using ground-based telescopes. This polarized light scattered by the universe's very first stars ...

Methods of phase retrieval from simulated intensity information have been tested for use in the radio holography of reflector antennas. In numerical simulations the Misell algorithm has been used ...