milky way

Mapping the Milky Way’s Dark Matter Halo

Anytime astronomers talk of mapping the Milky Way I am always reminded how tricky the study of the Universe can…

5 days ago

The Inner and Outer Milky Way Aren’t the Same Thickness, and that’s Surprising

At first glance, the universe and night sky seem largely unchanging. The reality is very different, even now, a gas…

1 month ago

The Milky Way’s Last Merger Event Was More Recent Than Thought

The Milky Way is only as massive as it is because of collisions and mergers with other galaxies. This is…

1 month ago

Hot Gas is Being Vented Away from the Center of the Milky Way

Studying gas in the Universe is no easy task. We often look to ‘non-visible’ wavelengths of the electromagnetic spectrum such…

1 month ago

Three of the Oldest Stars in the Universe Found Circling the Milky Way

Mention the Milky Way and most people will visualise a great big spiral galaxy billions of years old. It’s thought…

2 months ago

Does the Milky Way Have Too Many Satellite Galaxies?

The Large and Small Magellanic Clouds are well known satellite galaxies of the Milky Way but there are more. It…

2 months ago

Mapping the Milky Way’s Magnetic Field in 3D

We are all very familiar with the concept of the Earth’s magnetic field. It turns out that most objects in…

3 months ago

The Milky Way’s History is Written in Streams of Stars

The Milky Way is ancient and massive, a collection of hundreds of billions of stars, some dating back to the…

3 months ago

Roman Will Learn the Ages of Hundreds of Thousands of Stars

Astronomers routinely provide the ages of the stars they study. But the methods of measuring ages aren't 100% accurate. Measuring…

3 months ago

The Stellar Demolition Derby in the Centre of the Galaxy

The region near the Milky Way's centre is dominated by the supermassive black hole that resides there. Sagittarius A*'s overwhelming…

3 months ago