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

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.

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 ...

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

Earth’s satellite and the Red Planet offer a picturesque view amid the stars of Virgo for a few hours after sunset tonight.

Betelgeuse companion discovery with Gemini North resolves century-old mystery and opens new doors in red supergiant research ...

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

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

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

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

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 ...