milky way

One of the Oldest Stars in the Galaxy has a Planet. Rocky Planets Were Forming at Nearly the Beginning of the Universe

Would it be surprising to find a rocky planet that dates back to the very early Universe? It should be.…

1 month ago

You Can Actually See the Milky Way’s Wave When You Map Its Stars

Spiral galaxies are one of the most commonly known types of galaxy.  Most people think of them as large round…

1 month ago

Astronomers Discover Hundreds of High-Velocity Stars, Many on Their Way Out of the Milky Way

Combining data from two of the largest databases in the world, an international team of astronomers was able to doubledthe…

2 months ago

A new measurement puts the Sun 2,000 light-years closer to the center of the Milky Way

Ultra-precise measurements of stars in our galaxy put us closer to galactic center than we thought.

3 months ago

A third of the stars in the Milky Way came from a single merger 10 billion years ago

Ten billion years ago the young Milky Way survived a titanic merger with a neighboring galaxy, eventually consuming the whole…

3 months ago

Some of the Milky Way’s oldest stars aren’t where they’re expected to be

Some of the oldest stars in our galaxy have orbits similar to the Sun, and we don't know why

3 months ago

The Spherical Structure at the Core of the Milky Way Formed in a Single Burst of Star Formation

Like other spiral galaxies, the Milky Way has a bulging sphere of stars in its center. It's called "The Bulge,"…

4 months ago

Astronomers Map Out the Raw Material for New Star Formation in the Milky Way

A team of researchers has discovered a complex network of filamentary structures in the Milky Way. The structures are made…

4 months ago

Astronomers Find the Hollowed-Out Shell of a Dwarf Galaxy that Collided With the Milky Way Billions of Years Ago

In 2005 astronomers found a dense grouping of stars in the Virgo constellation. It looked like a star cluster, except…

4 months ago

7% of the Stars in the Milky Way’s Center Came From a Single Globular Cluster That Got Too Close and Was Broken Up

The heart of the Milky Way can be a mysterious place. A gigantic black hole resides there, and it's surrounded…

5 months ago