Contrast efficiency of telescopes is important in this case because the planet’s surface, atmosphere, and rings are composed ...

Vixen Saitama, Japan The Mobile Porta Mount is the new, easily portable piece in the popular Porta line. The alt-azimuth accessory has friction stop motion to locate objects quickly. Telescopes ...

Today in the history of astronomy, President Eisenhower signs the National Aeronautics and Space Act.

Saturn’s largest moon Titan lies well east of Saturn this morning, while several other, smaller satellites cluster closer to the rings.

Stars are more colorful than you think! Patience will reveal them; head outside tonight to see summer’s multi-hued stars.

Here’s what’s launching from July 28 to August 3: a cutting‑edge Earth‑observation mission joins a crewed flight to the ...

A set of books belonging to Charles Messier have joined the collection of David J. Eicher, offering a rare link to the comet ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out on the evening of July 28 and observe a close grouping of the thin crescent Moon and Mars. Be sure to look for these ...

Today in the history of astronomy, a Prussian photographer captures totality.

The young open cluster NGC 6709 soars through the sky tonight, visible in Aquila with binoculars or any telescope.

Comet C/1999 S4 (LINEAR) was discovered by the LINEAR project in September 1999 and exhibited unusual behavior. Observations by the Hubble Space Telescope in July 2000 revealed a significant crustal ...

Pazmino’s Cluster, or Stock 23, is a small open cluster in Camelopardalis that shines as a hidden gem for binoculars and ...