A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.
New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...
No theory could explain the slight excess of far-ultraviolet light in the Milky Way until now.

What is dark matter

First and perhaps most perplexingly, researchers remain unsure about what exactly dark matter is. Originally, some scientists ...
A growing mystery in astronomy is the presence of gargantuan black holes—some weighing as much as a billion suns—existing ...
New research suggests that relic black holes from before the big bang may still shape galaxies today. These black holes could ...
A mysterious glow of gamma rays at the center of the Milky Way has long hinted at dark matter, but the lack of similar ...
Two kilometres underground near Sudbury, Ont. , a machine has reached a temperature so low it barely seems real.
Researchers at the University of Portsmouth in the UK have proposed a cosmic bounce ...
A dark matter signal that appears in one place but not another might look like a contradiction. This new study argues it may ...
A new study suggests that failing to detect dark matter signals in some galaxies may not contradict evidence seen in our own.