Andromeda
New Signal May Be Evidence of Dark Matter, Say Researchers
Dark matter is the architect of large-scale cosmic structure and the engine behind proper rotation of galaxies. It's an indispensable part…
Why Can’t We See the Big Bang?
Since telescopes let us look back in time, shouldn't we be able to see all the way back to the…
Where is Earth Located?
You've probably heard the saying “everything’s relative”. When you consider our place in the Universe, everything really is relative. I’m…
Little Big Universe: Tilt-Shifted Astro Images Make Space Look Tiny
Aww, how cute! What an adorable little... nebula? Although here it may look like it could fit in your hand,…
How Big Are Galaxies?
I'm going to refrain from the initial response that comes to mind... actually, no I won't -- they're really, really,…
Lighting Up Andromeda’s Coldest Rings
Cold rings of dust are illuminated in this image taken by Herschel's Spectral and Photometric Imaging Receiver (SPIRE) instrument. Credit: ESA/NASA/JPL-Caltech/B.…
X-rays Reveal a Stellar-Mass Black Hole in Andromeda
[/caption] An ultraluminous x-ray source (ULX) previously spotted in the neighboring Andromeda galaxy by NASA's Chandra observatory has now been revealed…
Stolen: Magellanic Clouds – Return to Andromeda
The Magellanic Clouds are an oddity. Their relative velocity is suspiciously close to the escape velocity of the Milky Way…
Andromeda’s Unstable Black Hole
[/caption] The Andromeda galaxy, the closest spiral galaxy to our own Milky Way, has a supermassive blackhole at the center…
Death in the Sky: M31 Shreds its Satellites
[/caption] An international team of astronomers has identified two new tidal streams in M31, the Andromeda galaxy. They are more-or-less…