Chuck Ayoub from Redford, MI Globular cluster M53 in Coma Berenices (at right) is accompanied by fainter NGC 5053 (at left). Astronomers have reported evidence for a tidal tail, suggesting the pair ...

You can save hundreds on telescopes this Amazon Prime Day, and we've rounded up the very best stargazing offers.

An unknown object slammed into Saturn, possibly marking the first time a collision with the planet has been witnessed in real ...

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The Celestron NexStar 8SE is the cheapest we've seen it since January — this deal is one to watch during Prime Day.

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

Sky This Week is brought to you in part by Celestron. Friday, July 4Mercury reaches its greatest eastern elongation (26°) ...