Learn the basics of the celestial coordinate system, like right ascension and declination, for accurate stargazing.

The biggest galaxy in the Deer Lick Group, galaxy NGC 7331 has lots to offer through a telescope, so track it down tonight.

JAXA launches its Martian Moons eXploration mission from Tanegashima, Rocket Lab returns to New Zealand, and China lines up ...

The Southern Fish is home to the bright luminary Fomalhaut, a lovely young star that shines brightly in the evening sky.

Saturn’s small moon Tethys makes another transit across the disk along with its shadow; several other moons are observable as ...

Meteors streak past the stars as the First Quarter Moon shines and Iapetus reaches superior conjunction in the sky this week.

The Wild Duck Cluster is flying through the nighttime sky, a great object to check out during lengthening autumn evenings.

Saturn’s moon Tethys transits the disk; you may catch it via planetary imaging. Bright Titan is near the planet, visible to ...

Two jovian moons cross each other’s paths from our point of view, appearing to merge in the telescope eyepiece.

The Japan Aerospace Exploration Agency (JAXA) is targeting Oct. 19 for the launch of a first-of-its-kind sample return mission to the martian moon Phobos.

Discover this year's most exciting new astronomy products selected by Astronomy's contributing editor and gear guru, Phil ...

This unique pair of craters was created by just one impactor that skipped along the lunar surface, leaving a cometlike tail ...