For centuries, humanity believed that Earth was the center of the universe, a view championed by Aristotle and Ptolemy. But ...

A stronomers have discovered that the Milky Way might be just a small piece of a much larger cosmic structure than previously ...

The solar system's journey through the galaxy is more complex than most imagine. While we often picture planets orbiting the ...

Though it appears as a softly glowing cloud against the darker sky, what we see is so much more remarkable. This is the rim of our galaxy’s disk arching across the sky. Its hazy appearance, of course, ...

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system ...

We live in the Milky Way galaxy, an immense, flat, spiral galaxy surrounded by a massive halo of stars and dark matter. The disk of stars, gas, and dust in which the Sun resides is fully 120,000 ...

Researchers at Oxford have discovered that comet 3I/ATLAS may be over 7 billion years old, making it the oldest one we've ...

It’s our Milky Way galaxy. A new 3D map reveals the S-shape of the stellar disc we call home. ... The sun is scaled up to serve as a reference point. Help us, Obi-Wan.

But the sun’s path around the Milky Way is much bigger. It takes about 250 million years for the sun to make a full orbit around the galaxy – even though the sun is traveling more than 500,000 ...

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy's core this summer.

Milky Way viewing is at its best right now, especially if you’re in the southern hemisphere. Here's what to look out for, says Abigail Beall ...