The first galaxies were small, then eventually merged together to form the behemoths we see in the present universe.
Astronomers have discovered the two largest black holes ever - 10 billion times as massive as our own sun - which look set to consume everything within a region five times the size of our solar system.
The first stars in the universe may have spun at over a million miles per hour, astronomers at the Leibniz-Institut für Astrophysik Potsdam (AIP) and the Instituto Nazionale di Astrofisica (INAF) say.
Astronomers have been astonished to find a supermassive black hole in the center of a tiny low-mass galaxy, suggesting that such black holes can form before their host galaxies.
As game publishers look to other forms of in-game revenue, Microsoft has closed the doors on a company it acquired to bring dynamic advertisements in video games.