Our galaxy will make for a particularly splendid sight on the dark nights surrounding the new moon phase on July 24.

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

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

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

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

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

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.

However, at greater distances from the Milky Way's core, the average metal content drops, reaching about one-third of the sun's value about 50,000 light-years from the galaxy's center.

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 ...

The Sun now lies about 27,200 light-years from the Milky Way’s center — more than one-third of the way into the disk — and roughly 90 light-years above the galaxy’s midplane.