Best photos of Venus and Saturn after sunset

Venus and Saturn are in the same field of view of your binoculars from September 15 to 21. Look west after sunset. Plus ... check out these photos.

Video: The truth about Comet ISON

A longtime stargazer and astronomy editor tells you just what to expect from Comet ISON in late 2013. Will it sizzle, or fizzle?

It’s official: Voyager 1 first earthly craft to leave solar system

NASA says Voyager crossed the boundary of the heliosphere, or sphere of our sun's influence, a year ago.

Voyager 1 captures the sounds of interstellar space

Hear what deep space sounds like.

Best 3D map yet of central bulge of the Milky Way

Astronomers have found that our galaxy's inner regions take on a peanut-like, or X-shaped, appearance from some angles.

Frog photobombs NASA moon launch

NASA has confirmed this is a real photo. This frog made its giant leap for frogkind during the launch of NASA's LADEE moon craft on September 6.

Astronomers explain why disk galaxies eventually look alike

“In galaxy disks, the scars of a rough childhood, and adolescent blemishes, all smooth away with time.” - Curtis Struck, Iowa State Astronomer

Water hidden in the moon from proto-Earth?

Water found in ancient moon rocks might have actually originated from the proto-Earth and even survived the moon-forming event.

Move over Comet ISON. A new Comet Lovejoy has arrived

Australian amateur astronomer Terry Lovejoy has discovered a new comet. The new Comet Lovejoy will occupy the same part of the sky as Comet ISON by November 2013.

Astronomers spy comet-like tail for 3200 Phaethon

When closest to the sun, Phaethon may become so hot that rocks on the surface crack and crumble to dust. This makes Phaethon a "rock comet."