Our satellite passes several planets while Venus meets Spica in a close conjunction and spooky season culminates in the sky ...

This crescent-shaped cluster shines in northern Cassiopeia, visible all night long as the stars wheel around the North ...

The Moon passes 5° north of Uranus at 6 A.M. EDT this morning. You’ll find our satellite hanging above the Pleiades (M45) in ...

Even with a bright Moon in the sky, you can easily trace this “waterfall” of stars to its end in the spray of open cluster ...

October’s bright Full Moon offers an excellent observing target, allowing you to trace the rays thrown out by ancient impacts ...

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

A 1,100-mile-long ice cloud forms near the martian volcano Arsia Mons every morning. New simulations suggest it’s built by a ...

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

The Moon passes 5° north of Neptune at 11 P.M. EDT; you can catch the pair in the south around that time, along with Saturn in the southwest, just to the Moon’s lower left. Saturn is visible to the ...

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

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.