A cosmic mystery known as the CMB cold spot is shown to be caused by a galactic void 1.8 billion light years wide
The Chicken or the Egg
Did early galaxies form around black holes, or did black holes form within young galaxies?
Give Peas a Chance
Small, greenish galaxies known as “green peas” may have been key to ending the cosmic dark ages after the big bang.
The Universe in a Nutshell
The sheer scale of the universe makes it difficult to represent in an image. But using a logarithmic scale makes for a useful representation.
That’s a Big Twinkie
We’ve discovered a 12 billion solar mass black hole that formed when the universe was only 900 million years old. We’re not entirely sure how it formed.
In the Beginning
The big bang really happened, despite claims in the popular press.
Pruning the Tree
The latest Planck data has narrowed the possibilities for cosmic inflation.
Second Light
The period between the end of the big bang and the appearance of the first stars is known as the cosmic dark ages. It lasted longer than we thought.
Dust Yourself Off
The press is announcing that BICEP2 results have been disproven. Actually the results are a bit more subtle.