Catch a glimpse of the Andromeda Galaxy as it hangs high in the October night sky. Late October presents a perfect ...

Gene Roddenberry's known for Star Trek, but his 5-season series Andromeda is back on streaming and a perfect binge.

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

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

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

Over the course of human history, perhaps no single object in the night sky has drawn more attention than the Andromeda Galaxy, which the 10th-century Persian astronomer Abd al-Rahman al-Sufi dubbed a ...