The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

The center of our Milky Way galaxy is the latest in a series of stunning cosmic phenomena that should be visible in August ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks claim it’s visible to the naked eye. Most of us have never noticed it.

This year's Perseid meteor shower is expected to reach its peak tonight — but the moon might outshine the shooting stars.

Meteors along the Milky Way en the sky on July 18, 2023, in Leon, Spain. The Perseids can be seen between the days of July 17 to Aug. 24 of each year. The most optimal day to see the Perseid meteor ...