This small martian satellite, the mission target for MMX, is destined to be shredded, changing the Red Planet forever.

The planet Mercury stands 25° east of the Sun. View the solar system’s smallest planet, along with the crescent Moon, in the ...

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

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

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.

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

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

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