Cosmology
The Cosmic Void: Could we be in the Middle of it?
[/caption] On large scales, the Universe is homogeneous and isotropic. This means that no matter where you are located in…
Large Hadron Collider Could Generate Dark Matter
One of the biggest questions that occupy particle physicists and cosmologists alike is: what is dark matter? We know that…
Thinking About Time Before the Big Bang
What happened before the Big Bang? The conventional answer to that question is usually, "There is no such thing as…
New “Map” Could Help Solve Ancient Mysteries of Our Galaxy
An international team of astronomers from the Sloan Digital Sky Survey unveiled a new detailed map of the chemical composition…
XMM-Newton Discovers Part of Missing Matter in the Universe
We're getting the numbers down pretty well now about how much we don't know about the universe: Only about 5%…
Podcast: The End of the Universe Part 2: The End of Everything
Hopefully you've all recovered from part 1 of this set, where we make you sad about the future of the…
Why are Distant Galaxies Moving Away Faster?
Question: Why are more distant galaxies moving away faster? Answer: As you know, the Universe is expanding after the Big…
How Can Galaxies Recede Faster than the Speed of Light?
Question: How Can Galaxies Move Away Faster Than Speed of Light? Answer: Einstein's Theory of Relativity says that the speed…
Galactic Ghosts Haunt Their Killers
The title may sound dramatic, but it is very descriptive. New observations of two galaxies have shown huge streams of…
What was Before the Big Bang? An Identical, Reversed Universe
So what did exist before the Big Bang? This question would normally belong in the realms of deep philosophical thinking;…