The first quarter moon is October 29th, so trick or treaters can be treated to a fine view of the waxing gibbous moon and Saturn for Halloween stargazers. This fine shot was taken by Jennifer Lanier ...

For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of artificial radio transmissions. Beginning with Project Ozma in 1960, ...

A giant 'wave' is rippling through the Milky Way, pushing thousands of stars across the galaxy, and scientists don't know what triggered it.

From star clusters and planets to meteor showers and galaxies, here's a list of some must-see astronomical events set to take place this month ...