A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before seen.

Two meteor showers will peak at the same time in July with the cosmic glow of our galaxy serving as the backdrop. Here's how to see the month's top astronomical sights.

The Andromeda galaxy, also known as Messier 31 (M31), is the closest spiral galaxy to the Milky Way at a distance of about ...

June 25's new moon darkens the night sky for summer’s best stargazing — including the Summer Triangle and Milky Way.

Incredibly brilliant images have been released this week of the Milky Way and other distant galaxies from the world's largest ...

These atoms eventually fall back into their original galaxy, including the Milky Way, and get turned into new stuff. In a new ...