A model of the cyclic universe suggests that dark matter could be a population of black holes predating the Big Bang.
“With so many unanswered questions, gravity remains one of the most fascinating areas of research,” Patricio Gallardo, one of ...
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.
Two kilometres underground near Sudbury, Ont. , a machine has reached a temperature so low it barely seems real.
A growing mystery in astronomy is the presence of gargantuan black holes—some weighing as much as a billion suns—existing ...

What is dark matter

First and perhaps most perplexingly, researchers remain unsure about what exactly dark matter is. Originally, some scientists ...
A dark matter signal that appears in one place but not another might look like a contradiction. This new study argues it may ...
Researchers at the University of Portsmouth in the UK have proposed a cosmic bounce ...
A new study suggests that failing to detect dark matter signals in some galaxies may not contradict evidence seen in our own.
The difference is like a crowd of people who ignore each other versus one where everyone is constantly bumping into one another,’ says scientist ...