Vesta is passing an 8th-magnitude field star, offering a great opportunity to see the space rock’s motion on the sky over just a few nights.

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 ...

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.

A Full Moon occurs when the Earth is between the Sun and the Moon. The Moon's orbit creates different phases, including a Full Moon. Full Moons have traditional names, like the Sturgeon Moon. The ...

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.

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