Galactic Halo
High Velocity Clouds Comprise Less of the Milky Way’s Mass Than We Thought
A survey of high velocity clouds in the galactic halo of the Milky Way finds that they make up less…
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…
Hubble Shows the True Size of Andromeda
It's possible that you've seen the Andromeda galaxy (M31) without even realizing it. The massive spiral galaxy appears as a…
Hubble Captured a Photo of This Huge Spiral Galaxy, 2.5 Times Bigger than the Milky Way With 10 Times the Stars
This galaxy looks a lot like our own Milky Way galaxy. But while our galaxy is actively forming lots of…
Did the Milky Way Steal These Stars or Kick Them Out of the Galaxy?
A new study by an international team of astronomers has determined that stars in the Milky Way's halo actually formed…
Astronomers Find One of the Oldest Stars in the Milky Way
Thanks to a new study by a team of Spanish researchers, the oldest star in the Milky Way may have…
Milky Way Leftover Shell Stars Discovered In Galactic Halo
Like tantalizing tidbits stored in the vast recesses of one's refrigerator, astronomers using NASA's Hubble Space Telescope have evidence of…
Galactic Archaeology: NGC 5907 – The Dragon Clash
[/caption] The sprawling northern constellation of Draco is home to a monumental galactic merger which left a singular spectacle -…
Do Galaxies Recycle Their Material?
[/caption] It's a great question that's now been validated by the Hubble Space Telescope. Recent observations have shown how galaxies…