#AstronomyMagazine

Mercury reverses course, Dione transits Saturn, and a bright Full Hunter's Moon shines in the sky this week.

The solar system’s most distant planet shares the sky with the nearly Full Moon this evening, with Saturn standing nearby.

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

Here's what's launching Oct. 19–25: JAXA launches its Martian Moons eXploration mission from Tanegashima, Rocket Lab returns to New Zealand, and China lines up four launches amid a busy week for SpaceX.

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

Today in the history of astronomy, a mission to the understudied planet Mercury kicks off.

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

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

The Orionid meteor shower peaks today, offering a good chunk of Moon-free observing in the hours before dawn.

Today in the history of astronomy, the historic observatory in Williams Bay, Wisconsin, opens its doors.

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

The Kite of Boötes is high in the east after sunset, offering a simple star pattern to trace out with your naked eyes.

This compact ball of ancient stars lies near the head and claws of Scorpius the Scorpion in the south late this evening.

Enjoy May’s second Full Moon, see Mercury at its best, spot Titan near Saturn, and much more in the sky this week.

One of the easiest double stars to split in the sky, Nu Draconis is ready for you to view its two glowing white stars this evening.

Today in the history of astronomy, Eddington’s eclipse expedition proves Einstein’s theory of general relativity.

This season may be best known for galaxies, but some impressive clusters are also within view for you to enjoy.