October 2025 promises an exciting month for skywatchers as multiple celestial events unfold across the globe. From bright moons to meteor showers and distant galaxies, the night sky offers a ...

In this 2012 visualization, the Andromeda galaxy (left) appears in Earth's skies and begins to distort the Milky Way as the two galaxies merge. This hypothetical scenario was previously expected to ...

It's been textbook knowledge for over a century that our Milky Way galaxy is doomed to collide with another large spiral galaxy, Andromeda, in the next 5 billion years and merge into one even bigger ...

COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — marking only the third time in history that an interstellar object has entered ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...