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

The Orionid meteor shower peaks this morning — the perfect time to watch for shooting stars, as Earth turns into the meteoroid stream of dusty debris responsible for the show. The best time to do some ...

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

Colorful outflows from young protostars in Orion the Hunter plunge into the thick dust of a molecular cloud in this new ...

Located in northern Pegasus, NGC 7331 is a bright galaxy that is the largest in a group of five galaxies collectively known as the Deer Lick Group. It’s best viewed in early evening, standing highest ...

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 ...

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

Editor’s note: MMX is on its way to Mars. An H3 rocket lifted off from Tanegashima Space Center at 3:41 P.M. EDT on Oct. 19 (4:41 A.M. Oct. 20 local time). About 71 minutes later, JAXA confirmed the ...