Life could have been possible just seconds after the Big Bang
A composite image of the Bullet Cluster, a pair of well-studied galaxy clusters that have collided head-on. One has passed through the other, like a …
A composite image of the Bullet Cluster, a pair of well-studied galaxy clusters that have collided head-on. One has passed through the other, like a …
A major discrepancy between different measurements of the expansion rate of our universe could be explained if our Milky Way galaxy lies in a void …