Signs of life on K2-18 b are revisited as a new NASA-led study finds no conclusive evidence for dimethyl sulfide, tempering ...

Dwingeloo 1, a barred spiral galaxy about 10 million light-years away, is so obscured, it wasn't discovered until 1994.

There's so much more to Andromeda than its eponymous galaxy. Here's a list of other targets to observe in the Princess.

Today in the history of astronomy, Galileo is confused by his observations of Saturn.

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.

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 ...