The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. These galaxies are more than just neighbors: They're gravitationally bound. And for the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A collision between ...

When the billions of stars comprising the Milky Way, our home galaxy, appear especially vibrant as the band arcs across the night sky, it’s a photo op. Milky Way season, when the galaxy's bright ...

The center of our Milky Way galaxy is expected to shine every night through August as it gets higher in a darker sky. Spectators will have the best luck on cloud-free nights and in locations away from ...

You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

The Milky Way's core is visible from late spring through summer, especially around July. Optimal viewing is between midnight and 5 a.m. away from city lights. Arizona offers prime viewing locations ...