The Sickle is a famous asterism in Leo, which now also hosts Mars in the evening sky. Mars has now crossed the border from ...

Kemble's Cascade is an asterism in Camelopardalis in which a line of colorful stars appears to terminate with the small open ...

The waning crescent Moon contrasts nicely with Venus the morning star, with the planet quickly approaching dichotomy.

A combination of a dynamo-generated magnetic field and massive impacts could explain the highly magnetized rocks in some ...

New Moon brings excellent dark-sky conditions for observing galaxies, nebulae, and star clusters in the sky this week.

A waning crescent Moon lies near bright Venus in the morning sky, offering a gorgeous pairing for visual observing or ...

On May 21, the International Astronomical Union’s Minor Planet Center announced the discovery of 2017 OF 201, which, because ...

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

Saturn and Neptune are joined by the crescent Moon in the early-morning sky as our satellite moves along the ecliptic.

From a dark site, an 11-inch telescope will reveal several hundred galaxies here, so take your time and be sure of your ...

These practical telescope accessories make great gifts for Dad — and they’re all priced to keep your budget intact.

Also known as the enigmatic "hidden galaxy," IC 342 is a big barred spiral with low surface brightness in the constellation ...