milky way

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

5 days 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,"…

3 weeks 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 weeks 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…

1 month 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…

2 months ago

Gaia has Already Given Us 5 New Insights Into the Milky Way

The European Space Agency launched the Gaia mission in 2013. The mission's overall goal was to discover the history of…

2 months ago

The Milky Way is Already Starting to Digest the Magellanic Clouds, Starting With Their Protective Halos of Hot Gas

Massive galaxies like our Milky Way gain mass by absorbing smaller galaxies. The Large Magellanic Cloud and the Small Magellanic…

2 months ago

The Solar System has been Flying Through the Debris of a Supernova for 33,000 Years

An Ancient Voyage Earth is on a journey… While our planet orbits the Sun each year - a billion kilometers…

3 months ago

Astronomers See Through the Milky Way’s Dust to Track Where Radiation is Coming From at the Center of the Galaxy

The center of our very own galaxy might be one of the Universe's most mysterious places. Astronomers have to probe…

5 months ago

New Estimate Calculates There Could be 30 Intelligent Civilizations Communicating Across the Milky Way

Over the years, scientific estimates of potential intelligent life in our galaxy have ranged widely. Some estimates say just one…

5 months ago