a colorful mosaic showing the spiral disk of the Andromeda Galaxy

Astronomy & Observing News

Milky Way’s Chances of Hitting Andromeda Galaxy May Be 50/50

A new analysis of Hubble and Gaia data suggests that our galaxy might survive an upcoming encounter with the Andromeda Galaxy unscathed.

Explore the Night with Bob King

Resolving Andromeda — How to See Stars 2.5 Million Light-Years Away

At 2.5 million light-years away, you might think it's impossible to see individual stars in the Andromeda Galaxy. Let its largest star cloud, NGC 206, show you the way.