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

Saturn’s two-toned moon Iapetus is now passing south of the ringed planet, making this satellite easier than usual to find.

The Orionid meteor shower peaks this morning — the perfect time to watch for shooting stars, as Earth turns into the ...

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.

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

Let’s spend tonight with the Little Gem, a planetary nebula also cataloged as NGC 6818. It is highest in the sky around 11 P.M., when it is some 35° above the southern horizon. It’s located in the ...

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

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

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

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

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.